1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
/* automatically generated by rust-bindgen 0.66.1 */

#[doc = " hb_bool_t:\n\n Data type for booleans.\n"]
pub type hb_bool_t = ::core::ffi::c_int;
#[doc = " hb_codepoint_t:\n\n Data type for holding Unicode codepoints. Also\n used to hold glyph IDs.\n"]
pub type hb_codepoint_t = u32;
#[doc = " hb_position_t:\n\n Data type for holding a single coordinate value.\n Contour points and other multi-dimensional data are\n stored as tuples of #hb_position_t's.\n"]
pub type hb_position_t = i32;
#[doc = " hb_mask_t:\n\n Data type for bitmasks.\n"]
pub type hb_mask_t = u32;
#[repr(C)]
#[derive(Copy, Clone)]
pub union _hb_var_int_t {
    pub u32: u32,
    pub i32: i32,
    pub u16: [u16; 2usize],
    pub i16: [i16; 2usize],
    pub u8: [u8; 4usize],
    pub i8: [i8; 4usize],
}
#[test]
fn bindgen_test_layout__hb_var_int_t() {
    const UNINIT: ::core::mem::MaybeUninit<_hb_var_int_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<_hb_var_int_t>(),
        4usize,
        concat!("Size of: ", stringify!(_hb_var_int_t))
    );
    assert_eq!(
        ::core::mem::align_of::<_hb_var_int_t>(),
        4usize,
        concat!("Alignment of ", stringify!(_hb_var_int_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).u32) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(u32)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).i32) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(i32)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).u16) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(u16)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).i16) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(i16)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).u8) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(u8)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).i8) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(_hb_var_int_t),
            "::",
            stringify!(i8)
        )
    );
}
pub type hb_var_int_t = _hb_var_int_t;
#[doc = " hb_tag_t:\n\n Data type for tag identifiers. Tags are four\n byte integers, each byte representing a character.\n\n Tags are used to identify tables, design-variation axes,\n scripts, languages, font features, and baselines with\n human-readable names.\n"]
pub type hb_tag_t = u32;
extern "C" {
    pub fn hb_tag_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
    ) -> hb_tag_t;
}
extern "C" {
    pub fn hb_tag_to_string(tag: hb_tag_t, buf: *mut ::core::ffi::c_char);
}
pub const HB_DIRECTION_INVALID: hb_direction_t = 0;
pub const HB_DIRECTION_LTR: hb_direction_t = 4;
pub const HB_DIRECTION_RTL: hb_direction_t = 5;
pub const HB_DIRECTION_TTB: hb_direction_t = 6;
pub const HB_DIRECTION_BTT: hb_direction_t = 7;
#[doc = " hb_direction_t:\n @HB_DIRECTION_INVALID: Initial, unset direction.\n @HB_DIRECTION_LTR: Text is set horizontally from left to right.\n @HB_DIRECTION_RTL: Text is set horizontally from right to left.\n @HB_DIRECTION_TTB: Text is set vertically from top to bottom.\n @HB_DIRECTION_BTT: Text is set vertically from bottom to top.\n\n The direction of a text segment or buffer.\n\n A segment can also be tested for horizontal or vertical\n orientation (irrespective of specific direction) with\n HB_DIRECTION_IS_HORIZONTAL() or HB_DIRECTION_IS_VERTICAL().\n"]
pub type hb_direction_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_direction_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
    ) -> hb_direction_t;
}
extern "C" {
    pub fn hb_direction_to_string(direction: hb_direction_t) -> *const ::core::ffi::c_char;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_language_impl_t {
    _unused: [u8; 0],
}
pub type hb_language_t = *const hb_language_impl_t;
extern "C" {
    pub fn hb_language_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
    ) -> hb_language_t;
}
extern "C" {
    pub fn hb_language_to_string(language: hb_language_t) -> *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_language_get_default() -> hb_language_t;
}
pub const HB_SCRIPT_COMMON: hb_script_t = 1517910393;
pub const HB_SCRIPT_INHERITED: hb_script_t = 1516858984;
pub const HB_SCRIPT_UNKNOWN: hb_script_t = 1517976186;
pub const HB_SCRIPT_ARABIC: hb_script_t = 1098015074;
pub const HB_SCRIPT_ARMENIAN: hb_script_t = 1098018158;
pub const HB_SCRIPT_BENGALI: hb_script_t = 1113943655;
pub const HB_SCRIPT_CYRILLIC: hb_script_t = 1132032620;
pub const HB_SCRIPT_DEVANAGARI: hb_script_t = 1147500129;
pub const HB_SCRIPT_GEORGIAN: hb_script_t = 1197830002;
pub const HB_SCRIPT_GREEK: hb_script_t = 1198679403;
pub const HB_SCRIPT_GUJARATI: hb_script_t = 1198877298;
pub const HB_SCRIPT_GURMUKHI: hb_script_t = 1198879349;
pub const HB_SCRIPT_HANGUL: hb_script_t = 1214344807;
pub const HB_SCRIPT_HAN: hb_script_t = 1214344809;
pub const HB_SCRIPT_HEBREW: hb_script_t = 1214603890;
pub const HB_SCRIPT_HIRAGANA: hb_script_t = 1214870113;
pub const HB_SCRIPT_KANNADA: hb_script_t = 1265525857;
pub const HB_SCRIPT_KATAKANA: hb_script_t = 1264676449;
pub const HB_SCRIPT_LAO: hb_script_t = 1281453935;
pub const HB_SCRIPT_LATIN: hb_script_t = 1281455214;
pub const HB_SCRIPT_MALAYALAM: hb_script_t = 1298954605;
pub const HB_SCRIPT_ORIYA: hb_script_t = 1332902241;
pub const HB_SCRIPT_TAMIL: hb_script_t = 1415671148;
pub const HB_SCRIPT_TELUGU: hb_script_t = 1415933045;
pub const HB_SCRIPT_THAI: hb_script_t = 1416126825;
pub const HB_SCRIPT_TIBETAN: hb_script_t = 1416192628;
pub const HB_SCRIPT_BOPOMOFO: hb_script_t = 1114599535;
pub const HB_SCRIPT_BRAILLE: hb_script_t = 1114792297;
pub const HB_SCRIPT_CANADIAN_SYLLABICS: hb_script_t = 1130458739;
pub const HB_SCRIPT_CHEROKEE: hb_script_t = 1130915186;
pub const HB_SCRIPT_ETHIOPIC: hb_script_t = 1165256809;
pub const HB_SCRIPT_KHMER: hb_script_t = 1265134962;
pub const HB_SCRIPT_MONGOLIAN: hb_script_t = 1299148391;
pub const HB_SCRIPT_MYANMAR: hb_script_t = 1299803506;
pub const HB_SCRIPT_OGHAM: hb_script_t = 1332175213;
pub const HB_SCRIPT_RUNIC: hb_script_t = 1383427698;
pub const HB_SCRIPT_SINHALA: hb_script_t = 1399418472;
pub const HB_SCRIPT_SYRIAC: hb_script_t = 1400468067;
pub const HB_SCRIPT_THAANA: hb_script_t = 1416126817;
pub const HB_SCRIPT_YI: hb_script_t = 1500080489;
pub const HB_SCRIPT_DESERET: hb_script_t = 1148416628;
pub const HB_SCRIPT_GOTHIC: hb_script_t = 1198486632;
pub const HB_SCRIPT_OLD_ITALIC: hb_script_t = 1232363884;
pub const HB_SCRIPT_BUHID: hb_script_t = 1114990692;
pub const HB_SCRIPT_HANUNOO: hb_script_t = 1214344815;
pub const HB_SCRIPT_TAGALOG: hb_script_t = 1416064103;
pub const HB_SCRIPT_TAGBANWA: hb_script_t = 1415669602;
pub const HB_SCRIPT_CYPRIOT: hb_script_t = 1131442804;
pub const HB_SCRIPT_LIMBU: hb_script_t = 1281977698;
pub const HB_SCRIPT_LINEAR_B: hb_script_t = 1281977954;
pub const HB_SCRIPT_OSMANYA: hb_script_t = 1332964705;
pub const HB_SCRIPT_SHAVIAN: hb_script_t = 1399349623;
pub const HB_SCRIPT_TAI_LE: hb_script_t = 1415670885;
pub const HB_SCRIPT_UGARITIC: hb_script_t = 1432838514;
pub const HB_SCRIPT_BUGINESE: hb_script_t = 1114990441;
pub const HB_SCRIPT_COPTIC: hb_script_t = 1131376756;
pub const HB_SCRIPT_GLAGOLITIC: hb_script_t = 1198285159;
pub const HB_SCRIPT_KHAROSHTHI: hb_script_t = 1265131890;
pub const HB_SCRIPT_NEW_TAI_LUE: hb_script_t = 1415670901;
pub const HB_SCRIPT_OLD_PERSIAN: hb_script_t = 1483761007;
pub const HB_SCRIPT_SYLOTI_NAGRI: hb_script_t = 1400466543;
pub const HB_SCRIPT_TIFINAGH: hb_script_t = 1415999079;
pub const HB_SCRIPT_BALINESE: hb_script_t = 1113681001;
pub const HB_SCRIPT_CUNEIFORM: hb_script_t = 1483961720;
pub const HB_SCRIPT_NKO: hb_script_t = 1315663727;
pub const HB_SCRIPT_PHAGS_PA: hb_script_t = 1349017959;
pub const HB_SCRIPT_PHOENICIAN: hb_script_t = 1349021304;
pub const HB_SCRIPT_CARIAN: hb_script_t = 1130459753;
pub const HB_SCRIPT_CHAM: hb_script_t = 1130914157;
pub const HB_SCRIPT_KAYAH_LI: hb_script_t = 1264675945;
pub const HB_SCRIPT_LEPCHA: hb_script_t = 1281716323;
pub const HB_SCRIPT_LYCIAN: hb_script_t = 1283023721;
pub const HB_SCRIPT_LYDIAN: hb_script_t = 1283023977;
pub const HB_SCRIPT_OL_CHIKI: hb_script_t = 1332503403;
pub const HB_SCRIPT_REJANG: hb_script_t = 1382706791;
pub const HB_SCRIPT_SAURASHTRA: hb_script_t = 1398895986;
pub const HB_SCRIPT_SUNDANESE: hb_script_t = 1400204900;
pub const HB_SCRIPT_VAI: hb_script_t = 1449224553;
pub const HB_SCRIPT_AVESTAN: hb_script_t = 1098281844;
pub const HB_SCRIPT_BAMUM: hb_script_t = 1113681269;
pub const HB_SCRIPT_EGYPTIAN_HIEROGLYPHS: hb_script_t = 1164409200;
pub const HB_SCRIPT_IMPERIAL_ARAMAIC: hb_script_t = 1098018153;
pub const HB_SCRIPT_INSCRIPTIONAL_PAHLAVI: hb_script_t = 1349020777;
pub const HB_SCRIPT_INSCRIPTIONAL_PARTHIAN: hb_script_t = 1349678185;
pub const HB_SCRIPT_JAVANESE: hb_script_t = 1247901281;
pub const HB_SCRIPT_KAITHI: hb_script_t = 1265920105;
pub const HB_SCRIPT_LISU: hb_script_t = 1281979253;
pub const HB_SCRIPT_MEETEI_MAYEK: hb_script_t = 1299473769;
pub const HB_SCRIPT_OLD_SOUTH_ARABIAN: hb_script_t = 1398895202;
pub const HB_SCRIPT_OLD_TURKIC: hb_script_t = 1332898664;
pub const HB_SCRIPT_SAMARITAN: hb_script_t = 1398893938;
pub const HB_SCRIPT_TAI_THAM: hb_script_t = 1281453665;
pub const HB_SCRIPT_TAI_VIET: hb_script_t = 1415673460;
pub const HB_SCRIPT_BATAK: hb_script_t = 1113683051;
pub const HB_SCRIPT_BRAHMI: hb_script_t = 1114792296;
pub const HB_SCRIPT_MANDAIC: hb_script_t = 1298230884;
pub const HB_SCRIPT_CHAKMA: hb_script_t = 1130457965;
pub const HB_SCRIPT_MEROITIC_CURSIVE: hb_script_t = 1298494051;
pub const HB_SCRIPT_MEROITIC_HIEROGLYPHS: hb_script_t = 1298494063;
pub const HB_SCRIPT_MIAO: hb_script_t = 1349284452;
pub const HB_SCRIPT_SHARADA: hb_script_t = 1399353956;
pub const HB_SCRIPT_SORA_SOMPENG: hb_script_t = 1399812705;
pub const HB_SCRIPT_TAKRI: hb_script_t = 1415670642;
pub const HB_SCRIPT_BASSA_VAH: hb_script_t = 1113682803;
pub const HB_SCRIPT_CAUCASIAN_ALBANIAN: hb_script_t = 1097295970;
pub const HB_SCRIPT_DUPLOYAN: hb_script_t = 1148547180;
pub const HB_SCRIPT_ELBASAN: hb_script_t = 1164730977;
pub const HB_SCRIPT_GRANTHA: hb_script_t = 1198678382;
pub const HB_SCRIPT_KHOJKI: hb_script_t = 1265135466;
pub const HB_SCRIPT_KHUDAWADI: hb_script_t = 1399418468;
pub const HB_SCRIPT_LINEAR_A: hb_script_t = 1281977953;
pub const HB_SCRIPT_MAHAJANI: hb_script_t = 1298229354;
pub const HB_SCRIPT_MANICHAEAN: hb_script_t = 1298230889;
pub const HB_SCRIPT_MENDE_KIKAKUI: hb_script_t = 1298493028;
pub const HB_SCRIPT_MODI: hb_script_t = 1299145833;
pub const HB_SCRIPT_MRO: hb_script_t = 1299345263;
pub const HB_SCRIPT_NABATAEAN: hb_script_t = 1315070324;
pub const HB_SCRIPT_OLD_NORTH_ARABIAN: hb_script_t = 1315009122;
pub const HB_SCRIPT_OLD_PERMIC: hb_script_t = 1348825709;
pub const HB_SCRIPT_PAHAWH_HMONG: hb_script_t = 1215131239;
pub const HB_SCRIPT_PALMYRENE: hb_script_t = 1348562029;
pub const HB_SCRIPT_PAU_CIN_HAU: hb_script_t = 1348564323;
pub const HB_SCRIPT_PSALTER_PAHLAVI: hb_script_t = 1349020784;
pub const HB_SCRIPT_SIDDHAM: hb_script_t = 1399415908;
pub const HB_SCRIPT_TIRHUTA: hb_script_t = 1416196712;
pub const HB_SCRIPT_WARANG_CITI: hb_script_t = 1466004065;
pub const HB_SCRIPT_AHOM: hb_script_t = 1097363309;
pub const HB_SCRIPT_ANATOLIAN_HIEROGLYPHS: hb_script_t = 1215067511;
pub const HB_SCRIPT_HATRAN: hb_script_t = 1214346354;
pub const HB_SCRIPT_MULTANI: hb_script_t = 1299541108;
pub const HB_SCRIPT_OLD_HUNGARIAN: hb_script_t = 1215655527;
pub const HB_SCRIPT_SIGNWRITING: hb_script_t = 1399287415;
pub const HB_SCRIPT_ADLAM: hb_script_t = 1097100397;
pub const HB_SCRIPT_BHAIKSUKI: hb_script_t = 1114139507;
pub const HB_SCRIPT_MARCHEN: hb_script_t = 1298231907;
pub const HB_SCRIPT_OSAGE: hb_script_t = 1332963173;
pub const HB_SCRIPT_TANGUT: hb_script_t = 1415671399;
pub const HB_SCRIPT_NEWA: hb_script_t = 1315272545;
pub const HB_SCRIPT_MASARAM_GONDI: hb_script_t = 1198485101;
pub const HB_SCRIPT_NUSHU: hb_script_t = 1316186229;
pub const HB_SCRIPT_SOYOMBO: hb_script_t = 1399814511;
pub const HB_SCRIPT_ZANABAZAR_SQUARE: hb_script_t = 1516334690;
pub const HB_SCRIPT_DOGRA: hb_script_t = 1148151666;
pub const HB_SCRIPT_GUNJALA_GONDI: hb_script_t = 1198485095;
pub const HB_SCRIPT_HANIFI_ROHINGYA: hb_script_t = 1383032935;
pub const HB_SCRIPT_MAKASAR: hb_script_t = 1298230113;
pub const HB_SCRIPT_MEDEFAIDRIN: hb_script_t = 1298490470;
pub const HB_SCRIPT_OLD_SOGDIAN: hb_script_t = 1399809903;
pub const HB_SCRIPT_SOGDIAN: hb_script_t = 1399809892;
pub const HB_SCRIPT_ELYMAIC: hb_script_t = 1164736877;
pub const HB_SCRIPT_NANDINAGARI: hb_script_t = 1315008100;
pub const HB_SCRIPT_NYIAKENG_PUACHUE_HMONG: hb_script_t = 1215131248;
pub const HB_SCRIPT_WANCHO: hb_script_t = 1466132591;
pub const HB_SCRIPT_CHORASMIAN: hb_script_t = 1130918515;
pub const HB_SCRIPT_DIVES_AKURU: hb_script_t = 1147756907;
pub const HB_SCRIPT_KHITAN_SMALL_SCRIPT: hb_script_t = 1265202291;
pub const HB_SCRIPT_YEZIDI: hb_script_t = 1499822697;
pub const HB_SCRIPT_INVALID: hb_script_t = 0;
pub const _HB_SCRIPT_MAX_VALUE: hb_script_t = 2147483647;
pub const _HB_SCRIPT_MAX_VALUE_SIGNED: hb_script_t = 2147483647;
#[doc = " hb_script_t:\n @HB_SCRIPT_COMMON: HB_TAG ('Z','y','y','y')\n @HB_SCRIPT_INHERITED: HB_TAG ('Z','i','n','h')\n @HB_SCRIPT_UNKNOWN: HB_TAG ('Z','z','z','z')\n @HB_SCRIPT_ARABIC\n @HB_SCRIPT_ARMENIAN\n @HB_SCRIPT_BENGALI\n @HB_SCRIPT_CYRILLIC\n @HB_SCRIPT_DEVANAGARI\n @HB_SCRIPT_GEORGIAN\n @HB_SCRIPT_GREEK\n @HB_SCRIPT_GUJARATI\n @HB_SCRIPT_GURMUKHI\n @HB_SCRIPT_HANGUL\n @HB_SCRIPT_HAN\n @HB_SCRIPT_HEBREW\n @HB_SCRIPT_HIRAGANA\n @HB_SCRIPT_KANNADA\n @HB_SCRIPT_KATAKANA\n @HB_SCRIPT_LAO\n @HB_SCRIPT_LATIN\n @HB_SCRIPT_MALAYALAM\n @HB_SCRIPT_ORIYA\n @HB_SCRIPT_TAMIL\n @HB_SCRIPT_TELUGU\n @HB_SCRIPT_THAI\n @HB_SCRIPT_TIBETAN\n @HB_SCRIPT_BOPOMOFO\n @HB_SCRIPT_BRAILLE\n @HB_SCRIPT_CANADIAN_SYLLABICS\n @HB_SCRIPT_CHEROKEE\n @HB_SCRIPT_ETHIOPIC\n @HB_SCRIPT_KHMER\n @HB_SCRIPT_MONGOLIAN\n @HB_SCRIPT_MYANMAR\n @HB_SCRIPT_OGHAM\n @HB_SCRIPT_RUNIC\n @HB_SCRIPT_SINHALA\n @HB_SCRIPT_SYRIAC\n @HB_SCRIPT_THAANA\n @HB_SCRIPT_YI\n @HB_SCRIPT_DESERET\n @HB_SCRIPT_GOTHIC\n @HB_SCRIPT_OLD_ITALIC\n @HB_SCRIPT_BUHID\n @HB_SCRIPT_HANUNOO\n @HB_SCRIPT_TAGALOG\n @HB_SCRIPT_TAGBANWA\n @HB_SCRIPT_CYPRIOT\n @HB_SCRIPT_LIMBU\n @HB_SCRIPT_LINEAR_B\n @HB_SCRIPT_OSMANYA\n @HB_SCRIPT_SHAVIAN\n @HB_SCRIPT_TAI_LE\n @HB_SCRIPT_UGARITIC\n @HB_SCRIPT_BUGINESE\n @HB_SCRIPT_COPTIC\n @HB_SCRIPT_GLAGOLITIC\n @HB_SCRIPT_KHAROSHTHI\n @HB_SCRIPT_NEW_TAI_LUE\n @HB_SCRIPT_OLD_PERSIAN\n @HB_SCRIPT_SYLOTI_NAGRI\n @HB_SCRIPT_TIFINAGH\n @HB_SCRIPT_BALINESE\n @HB_SCRIPT_CUNEIFORM\n @HB_SCRIPT_NKO\n @HB_SCRIPT_PHAGS_PA\n @HB_SCRIPT_PHOENICIAN\n @HB_SCRIPT_CARIAN\n @HB_SCRIPT_CHAM\n @HB_SCRIPT_KAYAH_LI\n @HB_SCRIPT_LEPCHA\n @HB_SCRIPT_LYCIAN\n @HB_SCRIPT_LYDIAN\n @HB_SCRIPT_OL_CHIKI\n @HB_SCRIPT_REJANG\n @HB_SCRIPT_SAURASHTRA\n @HB_SCRIPT_SUNDANESE\n @HB_SCRIPT_VAI\n @HB_SCRIPT_AVESTAN\n @HB_SCRIPT_BAMUM\n @HB_SCRIPT_EGYPTIAN_HIEROGLYPHS\n @HB_SCRIPT_IMPERIAL_ARAMAIC\n @HB_SCRIPT_INSCRIPTIONAL_PAHLAVI\n @HB_SCRIPT_INSCRIPTIONAL_PARTHIAN\n @HB_SCRIPT_JAVANESE\n @HB_SCRIPT_KAITHI\n @HB_SCRIPT_LISU\n @HB_SCRIPT_MEETEI_MAYEK\n @HB_SCRIPT_OLD_SOUTH_ARABIAN\n @HB_SCRIPT_OLD_TURKIC\n @HB_SCRIPT_SAMARITAN\n @HB_SCRIPT_TAI_THAM\n @HB_SCRIPT_TAI_VIET\n @HB_SCRIPT_BATAK\n @HB_SCRIPT_BRAHMI\n @HB_SCRIPT_MANDAIC\n @HB_SCRIPT_CHAKMA\n @HB_SCRIPT_MEROITIC_CURSIVE\n @HB_SCRIPT_MEROITIC_HIEROGLYPHS\n @HB_SCRIPT_MIAO\n @HB_SCRIPT_SHARADA\n @HB_SCRIPT_SORA_SOMPENG\n @HB_SCRIPT_TAKRI\n @HB_SCRIPT_BASSA_VAH\n @HB_SCRIPT_CAUCASIAN_ALBANIAN\n @HB_SCRIPT_DUPLOYAN\n @HB_SCRIPT_ELBASAN\n @HB_SCRIPT_GRANTHA\n @HB_SCRIPT_KHOJKI\n @HB_SCRIPT_KHUDAWADI\n @HB_SCRIPT_LINEAR_A\n @HB_SCRIPT_MAHAJANI\n @HB_SCRIPT_MANICHAEAN\n @HB_SCRIPT_MENDE_KIKAKUI\n @HB_SCRIPT_MODI\n @HB_SCRIPT_MRO\n @HB_SCRIPT_NABATAEAN\n @HB_SCRIPT_OLD_NORTH_ARABIAN\n @HB_SCRIPT_OLD_PERMIC\n @HB_SCRIPT_PAHAWH_HMONG\n @HB_SCRIPT_PALMYRENE\n @HB_SCRIPT_PAU_CIN_HAU\n @HB_SCRIPT_PSALTER_PAHLAVI\n @HB_SCRIPT_SIDDHAM\n @HB_SCRIPT_TIRHUTA\n @HB_SCRIPT_WARANG_CITI\n @HB_SCRIPT_AHOM\n @HB_SCRIPT_ANATOLIAN_HIEROGLYPHS\n @HB_SCRIPT_HATRAN\n @HB_SCRIPT_MULTANI\n @HB_SCRIPT_OLD_HUNGARIAN\n @HB_SCRIPT_SIGNWRITING\n @HB_SCRIPT_ADLAM\n @HB_SCRIPT_BHAIKSUKI\n @HB_SCRIPT_MARCHEN\n @HB_SCRIPT_OSAGE\n @HB_SCRIPT_TANGUT\n @HB_SCRIPT_NEWA\n @HB_SCRIPT_MASARAM_GONDI\n @HB_SCRIPT_NUSHU\n @HB_SCRIPT_SOYOMBO\n @HB_SCRIPT_ZANABAZAR_SQUARE\n @HB_SCRIPT_DOGRA\n @HB_SCRIPT_GUNJALA_GONDI\n @HB_SCRIPT_HANIFI_ROHINGYA\n @HB_SCRIPT_MAKASAR\n @HB_SCRIPT_MEDEFAIDRIN\n @HB_SCRIPT_OLD_SOGDIAN\n @HB_SCRIPT_SOGDIAN\n @HB_SCRIPT_ELYMAIC\n @HB_SCRIPT_NANDINAGARI\n @HB_SCRIPT_NYIAKENG_PUACHUE_HMONG\n @HB_SCRIPT_WANCHO\n @HB_SCRIPT_INVALID: #HB_TAG_NONE\n\n Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding\n to the four-letter values defined by [ISO 15924](https://unicode.org/iso15924/).\n\n See also the Script (sc) property of the Unicode Character Database.\n"]
pub type hb_script_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_script_from_iso15924_tag(tag: hb_tag_t) -> hb_script_t;
}
extern "C" {
    pub fn hb_script_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
    ) -> hb_script_t;
}
extern "C" {
    pub fn hb_script_to_iso15924_tag(script: hb_script_t) -> hb_tag_t;
}
extern "C" {
    pub fn hb_script_get_horizontal_direction(script: hb_script_t) -> hb_direction_t;
}
#[doc = " hb_user_data_key_t:\n\n Data structure for holding user-data keys.\n"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_user_data_key_t {
    pub unused: ::core::ffi::c_char,
}
#[test]
fn bindgen_test_layout_hb_user_data_key_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_user_data_key_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_user_data_key_t>(),
        1usize,
        concat!("Size of: ", stringify!(hb_user_data_key_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_user_data_key_t>(),
        1usize,
        concat!("Alignment of ", stringify!(hb_user_data_key_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).unused) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_user_data_key_t),
            "::",
            stringify!(unused)
        )
    );
}
pub type hb_destroy_func_t =
    ::core::option::Option<unsafe extern "C" fn(user_data: *mut ::core::ffi::c_void)>;
#[doc = " hb_feature_t:\n @tag: The #hb_tag_t tag of the feature\n @value: The value of the feature. 0 disables the feature, non-zero (usually\n 1) enables the feature.  For features implemented as lookup type 3 (like\n 'salt') the @value is a one based index into the alternates.\n @start: the cluster to start applying this feature setting (inclusive).\n @end: the cluster to end applying this feature setting (exclusive).\n\n The #hb_feature_t is the structure that holds information about requested\n feature application. The feature will be applied with the given value to all\n glyphs which are in clusters between @start (inclusive) and @end (exclusive).\n Setting start to @HB_FEATURE_GLOBAL_START and end to @HB_FEATURE_GLOBAL_END\n specifies that the feature always applies to the entire buffer."]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_feature_t {
    pub tag: hb_tag_t,
    pub value: u32,
    pub start: ::core::ffi::c_uint,
    pub end: ::core::ffi::c_uint,
}
#[test]
fn bindgen_test_layout_hb_feature_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_feature_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_feature_t>(),
        16usize,
        concat!("Size of: ", stringify!(hb_feature_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_feature_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_feature_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).tag) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_feature_t),
            "::",
            stringify!(tag)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).value) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_feature_t),
            "::",
            stringify!(value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).start) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_feature_t),
            "::",
            stringify!(start)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).end) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_feature_t),
            "::",
            stringify!(end)
        )
    );
}
extern "C" {
    pub fn hb_feature_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
        feature: *mut hb_feature_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_feature_to_string(
        feature: *mut hb_feature_t,
        buf: *mut ::core::ffi::c_char,
        size: ::core::ffi::c_uint,
    );
}
#[doc = " hb_variation_t:\n @tag: The #hb_tag_t tag of the variation-axis name\n @value: The value of the variation axis\n\n Data type for holding variation data. Registered OpenType\n variation-axis tags are listed at\n https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg\n\n Since: 1.4.2"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_variation_t {
    pub tag: hb_tag_t,
    pub value: ::core::ffi::c_float,
}
#[test]
fn bindgen_test_layout_hb_variation_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_variation_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_variation_t>(),
        8usize,
        concat!("Size of: ", stringify!(hb_variation_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_variation_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_variation_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).tag) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_variation_t),
            "::",
            stringify!(tag)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).value) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_variation_t),
            "::",
            stringify!(value)
        )
    );
}
extern "C" {
    pub fn hb_variation_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
        variation: *mut hb_variation_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_variation_to_string(
        variation: *mut hb_variation_t,
        buf: *mut ::core::ffi::c_char,
        size: ::core::ffi::c_uint,
    );
}
#[doc = " hb_color_t:\n\n Data type for holding color values. Colors are eight bits per\n channel RGB plus alpha transparency.\n\n Since: 2.1.0"]
pub type hb_color_t = u32;
extern "C" {
    pub fn hb_color_get_alpha(color: hb_color_t) -> u8;
}
extern "C" {
    pub fn hb_color_get_red(color: hb_color_t) -> u8;
}
extern "C" {
    pub fn hb_color_get_green(color: hb_color_t) -> u8;
}
extern "C" {
    pub fn hb_color_get_blue(color: hb_color_t) -> u8;
}
pub const HB_MEMORY_MODE_DUPLICATE: hb_memory_mode_t = 0;
pub const HB_MEMORY_MODE_READONLY: hb_memory_mode_t = 1;
pub const HB_MEMORY_MODE_WRITABLE: hb_memory_mode_t = 2;
pub const HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE: hb_memory_mode_t = 3;
#[doc = " hb_memory_mode_t:\n @HB_MEMORY_MODE_DUPLICATE\n @HB_MEMORY_MODE_READONLY\n @HB_MEMORY_MODE_WRITABLE\n @HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE\n\n Data type holding the memory modes available to\n client programs.\n\n Regarding these various memory-modes:\n\n - In no case shall the HarfBuzz client modify memory\n   that is passed to HarfBuzz in a blob.  If there is\n   any such possibility, @HB_MEMORY_MODE_DUPLICATE should be used\n   such that HarfBuzz makes a copy immediately,\n\n - Use @HB_MEMORY_MODE_READONLY otherwise, unless you really really\n   really know what you are doing,\n\n - @HB_MEMORY_MODE_WRITABLE is appropriate if you really made a\n   copy of data solely for the purpose of passing to\n   HarfBuzz and doing that just once (no reuse!),\n\n - If the font is mmap()ed, it's okay to use\n   @HB_MEMORY_READONLY_MAY_MAKE_WRITABLE, however, using that mode\n   correctly is very tricky.  Use @HB_MEMORY_MODE_READONLY instead."]
pub type hb_memory_mode_t = ::core::ffi::c_uint;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_blob_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_blob_create(
        data: *const ::core::ffi::c_char,
        length: ::core::ffi::c_uint,
        mode: hb_memory_mode_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    ) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_create_from_file(file_name: *const ::core::ffi::c_char) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_create_sub_blob(
        parent: *mut hb_blob_t,
        offset: ::core::ffi::c_uint,
        length: ::core::ffi::c_uint,
    ) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_copy_writable_or_fail(blob: *mut hb_blob_t) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_get_empty() -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_reference(blob: *mut hb_blob_t) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_blob_destroy(blob: *mut hb_blob_t);
}
extern "C" {
    pub fn hb_blob_set_user_data(
        blob: *mut hb_blob_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_blob_get_user_data(
        blob: *mut hb_blob_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_blob_make_immutable(blob: *mut hb_blob_t);
}
extern "C" {
    pub fn hb_blob_is_immutable(blob: *mut hb_blob_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_blob_get_length(blob: *mut hb_blob_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_blob_get_data(
        blob: *mut hb_blob_t,
        length: *mut ::core::ffi::c_uint,
    ) -> *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_blob_get_data_writable(
        blob: *mut hb_blob_t,
        length: *mut ::core::ffi::c_uint,
    ) -> *mut ::core::ffi::c_char;
}
pub const HB_UNICODE_GENERAL_CATEGORY_CONTROL: hb_unicode_general_category_t = 0;
pub const HB_UNICODE_GENERAL_CATEGORY_FORMAT: hb_unicode_general_category_t = 1;
pub const HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED: hb_unicode_general_category_t = 2;
pub const HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE: hb_unicode_general_category_t = 3;
pub const HB_UNICODE_GENERAL_CATEGORY_SURROGATE: hb_unicode_general_category_t = 4;
pub const HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER: hb_unicode_general_category_t = 5;
pub const HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER: hb_unicode_general_category_t = 6;
pub const HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER: hb_unicode_general_category_t = 7;
pub const HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER: hb_unicode_general_category_t = 8;
pub const HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER: hb_unicode_general_category_t = 9;
pub const HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK: hb_unicode_general_category_t = 10;
pub const HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK: hb_unicode_general_category_t = 11;
pub const HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK: hb_unicode_general_category_t = 12;
pub const HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER: hb_unicode_general_category_t = 13;
pub const HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER: hb_unicode_general_category_t = 14;
pub const HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER: hb_unicode_general_category_t = 15;
pub const HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION: hb_unicode_general_category_t = 16;
pub const HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION: hb_unicode_general_category_t = 17;
pub const HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION: hb_unicode_general_category_t = 18;
pub const HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION: hb_unicode_general_category_t = 19;
pub const HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION: hb_unicode_general_category_t = 20;
pub const HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION: hb_unicode_general_category_t = 21;
pub const HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION: hb_unicode_general_category_t = 22;
pub const HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL: hb_unicode_general_category_t = 23;
pub const HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL: hb_unicode_general_category_t = 24;
pub const HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL: hb_unicode_general_category_t = 25;
pub const HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL: hb_unicode_general_category_t = 26;
pub const HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR: hb_unicode_general_category_t = 27;
pub const HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR: hb_unicode_general_category_t = 28;
pub const HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR: hb_unicode_general_category_t = 29;
#[doc = " hb_unicode_general_category_t:\n @HB_UNICODE_GENERAL_CATEGORY_CONTROL:              [Cc]\n @HB_UNICODE_GENERAL_CATEGORY_FORMAT:\t\t      [Cf]\n @HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED:\t      [Cn]\n @HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE:\t      [Co]\n @HB_UNICODE_GENERAL_CATEGORY_SURROGATE:\t      [Cs]\n @HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER:     [Ll]\n @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER:      [Lm]\n @HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER:\t      [Lo]\n @HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER:     [Lt]\n @HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER:     [Lu]\n @HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK:\t      [Mc]\n @HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK:\t      [Me]\n @HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK:     [Mn]\n @HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER:\t      [Nd]\n @HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER:\t      [Nl]\n @HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER:\t      [No]\n @HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION:  [Pc]\n @HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION:     [Pd]\n @HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION:    [Pe]\n @HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION:    [Pf]\n @HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION:  [Pi]\n @HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION:    [Po]\n @HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION:     [Ps]\n @HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL:      [Sc]\n @HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL:      [Sk]\n @HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL:\t      [Sm]\n @HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL:\t      [So]\n @HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR:\t      [Zl]\n @HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR:  [Zp]\n @HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR:      [Zs]\n\n Data type for the \"General_Category\" (gc) property from\n the Unicode Character Database."]
pub type hb_unicode_general_category_t = ::core::ffi::c_uint;
pub const HB_UNICODE_COMBINING_CLASS_NOT_REORDERED: hb_unicode_combining_class_t = 0;
pub const HB_UNICODE_COMBINING_CLASS_OVERLAY: hb_unicode_combining_class_t = 1;
pub const HB_UNICODE_COMBINING_CLASS_NUKTA: hb_unicode_combining_class_t = 7;
pub const HB_UNICODE_COMBINING_CLASS_KANA_VOICING: hb_unicode_combining_class_t = 8;
pub const HB_UNICODE_COMBINING_CLASS_VIRAMA: hb_unicode_combining_class_t = 9;
pub const HB_UNICODE_COMBINING_CLASS_CCC10: hb_unicode_combining_class_t = 10;
pub const HB_UNICODE_COMBINING_CLASS_CCC11: hb_unicode_combining_class_t = 11;
pub const HB_UNICODE_COMBINING_CLASS_CCC12: hb_unicode_combining_class_t = 12;
pub const HB_UNICODE_COMBINING_CLASS_CCC13: hb_unicode_combining_class_t = 13;
pub const HB_UNICODE_COMBINING_CLASS_CCC14: hb_unicode_combining_class_t = 14;
pub const HB_UNICODE_COMBINING_CLASS_CCC15: hb_unicode_combining_class_t = 15;
pub const HB_UNICODE_COMBINING_CLASS_CCC16: hb_unicode_combining_class_t = 16;
pub const HB_UNICODE_COMBINING_CLASS_CCC17: hb_unicode_combining_class_t = 17;
pub const HB_UNICODE_COMBINING_CLASS_CCC18: hb_unicode_combining_class_t = 18;
pub const HB_UNICODE_COMBINING_CLASS_CCC19: hb_unicode_combining_class_t = 19;
pub const HB_UNICODE_COMBINING_CLASS_CCC20: hb_unicode_combining_class_t = 20;
pub const HB_UNICODE_COMBINING_CLASS_CCC21: hb_unicode_combining_class_t = 21;
pub const HB_UNICODE_COMBINING_CLASS_CCC22: hb_unicode_combining_class_t = 22;
pub const HB_UNICODE_COMBINING_CLASS_CCC23: hb_unicode_combining_class_t = 23;
pub const HB_UNICODE_COMBINING_CLASS_CCC24: hb_unicode_combining_class_t = 24;
pub const HB_UNICODE_COMBINING_CLASS_CCC25: hb_unicode_combining_class_t = 25;
pub const HB_UNICODE_COMBINING_CLASS_CCC26: hb_unicode_combining_class_t = 26;
pub const HB_UNICODE_COMBINING_CLASS_CCC27: hb_unicode_combining_class_t = 27;
pub const HB_UNICODE_COMBINING_CLASS_CCC28: hb_unicode_combining_class_t = 28;
pub const HB_UNICODE_COMBINING_CLASS_CCC29: hb_unicode_combining_class_t = 29;
pub const HB_UNICODE_COMBINING_CLASS_CCC30: hb_unicode_combining_class_t = 30;
pub const HB_UNICODE_COMBINING_CLASS_CCC31: hb_unicode_combining_class_t = 31;
pub const HB_UNICODE_COMBINING_CLASS_CCC32: hb_unicode_combining_class_t = 32;
pub const HB_UNICODE_COMBINING_CLASS_CCC33: hb_unicode_combining_class_t = 33;
pub const HB_UNICODE_COMBINING_CLASS_CCC34: hb_unicode_combining_class_t = 34;
pub const HB_UNICODE_COMBINING_CLASS_CCC35: hb_unicode_combining_class_t = 35;
pub const HB_UNICODE_COMBINING_CLASS_CCC36: hb_unicode_combining_class_t = 36;
pub const HB_UNICODE_COMBINING_CLASS_CCC84: hb_unicode_combining_class_t = 84;
pub const HB_UNICODE_COMBINING_CLASS_CCC91: hb_unicode_combining_class_t = 91;
pub const HB_UNICODE_COMBINING_CLASS_CCC103: hb_unicode_combining_class_t = 103;
pub const HB_UNICODE_COMBINING_CLASS_CCC107: hb_unicode_combining_class_t = 107;
pub const HB_UNICODE_COMBINING_CLASS_CCC118: hb_unicode_combining_class_t = 118;
pub const HB_UNICODE_COMBINING_CLASS_CCC122: hb_unicode_combining_class_t = 122;
pub const HB_UNICODE_COMBINING_CLASS_CCC129: hb_unicode_combining_class_t = 129;
pub const HB_UNICODE_COMBINING_CLASS_CCC130: hb_unicode_combining_class_t = 130;
pub const HB_UNICODE_COMBINING_CLASS_CCC133: hb_unicode_combining_class_t = 132;
pub const HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT: hb_unicode_combining_class_t = 200;
pub const HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW: hb_unicode_combining_class_t = 202;
pub const HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE: hb_unicode_combining_class_t = 214;
pub const HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT: hb_unicode_combining_class_t = 216;
pub const HB_UNICODE_COMBINING_CLASS_BELOW_LEFT: hb_unicode_combining_class_t = 218;
pub const HB_UNICODE_COMBINING_CLASS_BELOW: hb_unicode_combining_class_t = 220;
pub const HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT: hb_unicode_combining_class_t = 222;
pub const HB_UNICODE_COMBINING_CLASS_LEFT: hb_unicode_combining_class_t = 224;
pub const HB_UNICODE_COMBINING_CLASS_RIGHT: hb_unicode_combining_class_t = 226;
pub const HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT: hb_unicode_combining_class_t = 228;
pub const HB_UNICODE_COMBINING_CLASS_ABOVE: hb_unicode_combining_class_t = 230;
pub const HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT: hb_unicode_combining_class_t = 232;
pub const HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW: hb_unicode_combining_class_t = 233;
pub const HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE: hb_unicode_combining_class_t = 234;
pub const HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT: hb_unicode_combining_class_t = 240;
pub const HB_UNICODE_COMBINING_CLASS_INVALID: hb_unicode_combining_class_t = 255;
#[doc = " hb_unicode_combining_class_t:\n @HB_UNICODE_COMBINING_CLASS_NOT_REORDERED: Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing\n @HB_UNICODE_COMBINING_CLASS_OVERLAY: Marks which overlay a base letter or symbol\n @HB_UNICODE_COMBINING_CLASS_NUKTA: Diacritic nukta marks in Brahmi-derived scripts\n @HB_UNICODE_COMBINING_CLASS_KANA_VOICING: Hiragana/Katakana voicing marks\n @HB_UNICODE_COMBINING_CLASS_VIRAMA: Viramas\n @HB_UNICODE_COMBINING_CLASS_CCC10: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC11: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC12: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC13: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC14: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC15: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC16: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC17: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC18: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC19: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC20: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC21: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC22: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC23: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC24: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC25: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC26: [Hebrew]\n @HB_UNICODE_COMBINING_CLASS_CCC27: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC28: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC29: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC30: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC31: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC32: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC33: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC34: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC35: [Arabic]\n @HB_UNICODE_COMBINING_CLASS_CCC36: [Syriac]\n @HB_UNICODE_COMBINING_CLASS_CCC84: [Telugu]\n @HB_UNICODE_COMBINING_CLASS_CCC91: [Telugu]\n @HB_UNICODE_COMBINING_CLASS_CCC103: [Thai]\n @HB_UNICODE_COMBINING_CLASS_CCC107: [Thai]\n @HB_UNICODE_COMBINING_CLASS_CCC118: [Lao]\n @HB_UNICODE_COMBINING_CLASS_CCC122: [Lao]\n @HB_UNICODE_COMBINING_CLASS_CCC129: [Tibetan]\n @HB_UNICODE_COMBINING_CLASS_CCC130: [Tibetan]\n @HB_UNICODE_COMBINING_CLASS_CCC133: [Tibetan]\n @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT: Marks attached at the bottom left\n @HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW: Marks attached directly below\n @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE: Marks attached directly above\n @HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT: Marks attached at the top right\n @HB_UNICODE_COMBINING_CLASS_BELOW_LEFT: Distinct marks at the bottom left\n @HB_UNICODE_COMBINING_CLASS_BELOW: Distinct marks directly below\n @HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT: Distinct marks at the bottom right\n @HB_UNICODE_COMBINING_CLASS_LEFT: Distinct marks to the left\n @HB_UNICODE_COMBINING_CLASS_RIGHT: Distinct marks to the right\n @HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT: Distinct marks at the top left\n @HB_UNICODE_COMBINING_CLASS_ABOVE: Distinct marks directly above\n @HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT: Distinct marks at the top right\n @HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW: Distinct marks subtending two bases\n @HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE: Distinct marks extending above two bases\n @HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT: Greek iota subscript only\n @HB_UNICODE_COMBINING_CLASS_INVALID: Invalid combining class\n\n Data type for the Canonical_Combining_Class (ccc) property\n from the Unicode Character Database.\n\n <note>Note: newer versions of Unicode may add new values.\n Client programs should be ready to handle any value in the 0..254 range\n being returned from hb_unicode_combining_class().</note>\n"]
pub type hb_unicode_combining_class_t = ::core::ffi::c_uint;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_unicode_funcs_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_unicode_funcs_get_default() -> *mut hb_unicode_funcs_t;
}
extern "C" {
    pub fn hb_unicode_funcs_create(parent: *mut hb_unicode_funcs_t) -> *mut hb_unicode_funcs_t;
}
extern "C" {
    pub fn hb_unicode_funcs_get_empty() -> *mut hb_unicode_funcs_t;
}
extern "C" {
    pub fn hb_unicode_funcs_reference(ufuncs: *mut hb_unicode_funcs_t) -> *mut hb_unicode_funcs_t;
}
extern "C" {
    pub fn hb_unicode_funcs_destroy(ufuncs: *mut hb_unicode_funcs_t);
}
extern "C" {
    pub fn hb_unicode_funcs_set_user_data(
        ufuncs: *mut hb_unicode_funcs_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_unicode_funcs_get_user_data(
        ufuncs: *mut hb_unicode_funcs_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_unicode_funcs_make_immutable(ufuncs: *mut hb_unicode_funcs_t);
}
extern "C" {
    pub fn hb_unicode_funcs_is_immutable(ufuncs: *mut hb_unicode_funcs_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_unicode_funcs_get_parent(ufuncs: *mut hb_unicode_funcs_t) -> *mut hb_unicode_funcs_t;
}
#[doc = " hb_unicode_combining_class_func_t:\n @ufuncs: A Unicode-functions structure\n @unicode: The code point to query\n @user_data: User data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should retrieve the Canonical Combining Class (ccc)\n property for a specified Unicode code point.\n\n Return value: The #hb_unicode_combining_class_t of @unicode\n"]
pub type hb_unicode_combining_class_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_unicode_combining_class_t,
>;
#[doc = " hb_unicode_general_category_func_t:\n @ufuncs: A Unicode-functions structure\n @unicode: The code point to query\n @user_data: User data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should retrieve the General Category property for\n a specified Unicode code point.\n\n Return value: The #hb_unicode_general_category_t of @unicode\n"]
pub type hb_unicode_general_category_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_unicode_general_category_t,
>;
#[doc = " hb_unicode_mirroring_func_t:\n @ufuncs: A Unicode-functions structure\n @unicode: The code point to query\n @user_data: User data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should retrieve the Bi-Directional Mirroring Glyph\n code point for a specified Unicode code point.\n\n <note>Note: If a code point does not have a specified\n Bi-Directional Mirroring Glyph defined, the method should\n return the original code point.</note>\n\n Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode\n"]
pub type hb_unicode_mirroring_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_codepoint_t,
>;
#[doc = " hb_unicode_script_func_t:\n @ufuncs: A Unicode-functions structure\n @unicode: The code point to query\n @user_data: User data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should retrieve the Script property for a\n specified Unicode code point.\n\n Return value: The #hb_script_t of @unicode\n"]
pub type hb_unicode_script_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_script_t,
>;
#[doc = " hb_unicode_compose_func_t:\n @ufuncs: A Unicode-functions structure\n @a: The first code point to compose\n @b: The second code point to compose\n @ab: (out): The composed code point\n @user_data: user data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should compose a sequence of two input Unicode code\n points by canonical equivalence, returning the composed code\n point in a #hb_codepoint_t output parameter (if successful).\n The method must return an #hb_bool_t indicating the success\n of the composition.\n\n Return value: True is @a,@b composed, false otherwise\n"]
pub type hb_unicode_compose_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        a: hb_codepoint_t,
        b: hb_codepoint_t,
        ab: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_unicode_decompose_func_t:\n @ufuncs: A Unicode-functions structure\n @ab: The code point to decompose\n @a: (out): The first decomposed code point\n @b: (out): The second decomposed code point\n @user_data: user data pointer passed by the caller\n\n A virtual method for the #hb_unicode_funcs_t structure.\n\n This method should decompose an input Unicode code point,\n returning the two decomposed code points in #hb_codepoint_t\n output parameters (if successful). The method must return an\n #hb_bool_t indicating the success of the composition.\n\n Return value: True if @ab decomposed, false otherwise\n"]
pub type hb_unicode_decompose_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        ab: hb_codepoint_t,
        a: *mut hb_codepoint_t,
        b: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
extern "C" {
    #[doc = " hb_unicode_funcs_set_combining_class_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_combining_class_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_combining_class_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_combining_class_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_funcs_set_general_category_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_general_category_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_general_category_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_general_category_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_funcs_set_mirroring_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_mirroring_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_mirroring_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_mirroring_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_funcs_set_script_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_script_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_script_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_script_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_funcs_set_compose_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_compose_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_compose_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_compose_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_funcs_set_decompose_func:\n @ufuncs: A Unicode-functions structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_unicode_decompose_func_t.\n\n Since: 0.9.2"]
    pub fn hb_unicode_funcs_set_decompose_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_decompose_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_combining_class:\n @ufuncs: The Unicode-functions structure\n @unicode: The code point to query\n\n Retrieves the Canonical Combining Class (ccc) property\n of code point @unicode.\n\n Return value: The #hb_unicode_combining_class_t of @unicode\n\n Since: 0.9.2"]
    pub fn hb_unicode_combining_class(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
    ) -> hb_unicode_combining_class_t;
}
extern "C" {
    #[doc = " hb_unicode_general_category:\n @ufuncs: The Unicode-functions structure\n @unicode: The code point to query\n\n Retrieves the General Category (gc) property\n of code point @unicode.\n\n Return value: The #hb_unicode_general_category_t of @unicode\n\n Since: 0.9.2"]
    pub fn hb_unicode_general_category(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
    ) -> hb_unicode_general_category_t;
}
extern "C" {
    #[doc = " hb_unicode_mirroring:\n @ufuncs: The Unicode-functions structure\n @unicode: The code point to query\n\n Retrieves the Bi-directional Mirroring Glyph code\n point defined for code point @unicode.\n\n Return value: The #hb_codepoint_t of the Mirroring Glyph for @unicode\n\n Since: 0.9.2"]
    pub fn hb_unicode_mirroring(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
    ) -> hb_codepoint_t;
}
extern "C" {
    #[doc = " hb_unicode_script:\n @ufuncs: The Unicode-functions structure\n @unicode: The code point to query\n\n Retrieves the #hb_script_t script to which code\n point @unicode belongs.\n\n Return value: The #hb_script_t of @unicode\n\n Since: 0.9.2"]
    pub fn hb_unicode_script(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
    ) -> hb_script_t;
}
extern "C" {
    #[doc = " hb_unicode_compose:\n @ufuncs: The Unicode-functions structure\n @a: The first code point to compose\n @b: The second code point to compose\n @ab: (out): The composed code point\n\n Composes the code point sequence @a,@b by canonical equivalence into\n code point @ab.\n\n Return value: True is @a,@b composed, false otherwise\n\n Since: 0.9.2"]
    pub fn hb_unicode_compose(
        ufuncs: *mut hb_unicode_funcs_t,
        a: hb_codepoint_t,
        b: hb_codepoint_t,
        ab: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    #[doc = " hb_unicode_decompose:\n @ufuncs: The Unicode-functions structure\n @ab: The code point to decompose\n @a: (out): The first decomposed code point\n @b: (out): The second decomposed code point\n\n Decomposes code point @ab by canonical equivalence, into code points\n @a and @b.\n\n Return value: True if @ab decomposed, false otherwise\n\n Since: 0.9.2"]
    pub fn hb_unicode_decompose(
        ufuncs: *mut hb_unicode_funcs_t,
        ab: hb_codepoint_t,
        a: *mut hb_codepoint_t,
        b: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_set_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_set_create() -> *mut hb_set_t;
}
extern "C" {
    pub fn hb_set_get_empty() -> *mut hb_set_t;
}
extern "C" {
    pub fn hb_set_reference(set: *mut hb_set_t) -> *mut hb_set_t;
}
extern "C" {
    pub fn hb_set_destroy(set: *mut hb_set_t);
}
extern "C" {
    pub fn hb_set_set_user_data(
        set: *mut hb_set_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_get_user_data(
        set: *mut hb_set_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_set_allocation_successful(set: *const hb_set_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_clear(set: *mut hb_set_t);
}
extern "C" {
    pub fn hb_set_is_empty(set: *const hb_set_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_has(set: *const hb_set_t, codepoint: hb_codepoint_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_add(set: *mut hb_set_t, codepoint: hb_codepoint_t);
}
extern "C" {
    pub fn hb_set_add_range(set: *mut hb_set_t, first: hb_codepoint_t, last: hb_codepoint_t);
}
extern "C" {
    pub fn hb_set_del(set: *mut hb_set_t, codepoint: hb_codepoint_t);
}
extern "C" {
    pub fn hb_set_del_range(set: *mut hb_set_t, first: hb_codepoint_t, last: hb_codepoint_t);
}
extern "C" {
    pub fn hb_set_is_equal(set: *const hb_set_t, other: *const hb_set_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_is_subset(set: *const hb_set_t, larger_set: *const hb_set_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_set(set: *mut hb_set_t, other: *const hb_set_t);
}
extern "C" {
    pub fn hb_set_union(set: *mut hb_set_t, other: *const hb_set_t);
}
extern "C" {
    pub fn hb_set_intersect(set: *mut hb_set_t, other: *const hb_set_t);
}
extern "C" {
    pub fn hb_set_subtract(set: *mut hb_set_t, other: *const hb_set_t);
}
extern "C" {
    pub fn hb_set_symmetric_difference(set: *mut hb_set_t, other: *const hb_set_t);
}
extern "C" {
    pub fn hb_set_get_population(set: *const hb_set_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_set_get_min(set: *const hb_set_t) -> hb_codepoint_t;
}
extern "C" {
    pub fn hb_set_get_max(set: *const hb_set_t) -> hb_codepoint_t;
}
extern "C" {
    pub fn hb_set_next(set: *const hb_set_t, codepoint: *mut hb_codepoint_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_previous(set: *const hb_set_t, codepoint: *mut hb_codepoint_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_next_range(
        set: *const hb_set_t,
        first: *mut hb_codepoint_t,
        last: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_set_previous_range(
        set: *const hb_set_t,
        first: *mut hb_codepoint_t,
        last: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_face_count(blob: *mut hb_blob_t) -> ::core::ffi::c_uint;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_face_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_face_create(blob: *mut hb_blob_t, index: ::core::ffi::c_uint) -> *mut hb_face_t;
}
pub type hb_reference_table_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        face: *mut hb_face_t,
        tag: hb_tag_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> *mut hb_blob_t,
>;
extern "C" {
    pub fn hb_face_create_for_tables(
        reference_table_func: hb_reference_table_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    ) -> *mut hb_face_t;
}
extern "C" {
    pub fn hb_face_get_empty() -> *mut hb_face_t;
}
extern "C" {
    pub fn hb_face_reference(face: *mut hb_face_t) -> *mut hb_face_t;
}
extern "C" {
    pub fn hb_face_destroy(face: *mut hb_face_t);
}
extern "C" {
    pub fn hb_face_set_user_data(
        face: *mut hb_face_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_face_get_user_data(
        face: *const hb_face_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_face_make_immutable(face: *mut hb_face_t);
}
extern "C" {
    pub fn hb_face_is_immutable(face: *const hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_face_reference_table(face: *const hb_face_t, tag: hb_tag_t) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_face_reference_blob(face: *mut hb_face_t) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_face_set_index(face: *mut hb_face_t, index: ::core::ffi::c_uint);
}
extern "C" {
    pub fn hb_face_get_index(face: *const hb_face_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_face_set_upem(face: *mut hb_face_t, upem: ::core::ffi::c_uint);
}
extern "C" {
    pub fn hb_face_get_upem(face: *const hb_face_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_face_set_glyph_count(face: *mut hb_face_t, glyph_count: ::core::ffi::c_uint);
}
extern "C" {
    pub fn hb_face_get_glyph_count(face: *const hb_face_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_face_get_table_tags(
        face: *const hb_face_t,
        start_offset: ::core::ffi::c_uint,
        table_count: *mut ::core::ffi::c_uint,
        table_tags: *mut hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_face_collect_unicodes(face: *mut hb_face_t, out: *mut hb_set_t);
}
extern "C" {
    pub fn hb_face_collect_variation_selectors(face: *mut hb_face_t, out: *mut hb_set_t);
}
extern "C" {
    pub fn hb_face_collect_variation_unicodes(
        face: *mut hb_face_t,
        variation_selector: hb_codepoint_t,
        out: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_face_builder_create() -> *mut hb_face_t;
}
extern "C" {
    pub fn hb_face_builder_add_table(
        face: *mut hb_face_t,
        tag: hb_tag_t,
        blob: *mut hb_blob_t,
    ) -> hb_bool_t;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_font_t {
    _unused: [u8; 0],
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_font_funcs_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_font_funcs_create() -> *mut hb_font_funcs_t;
}
extern "C" {
    pub fn hb_font_funcs_get_empty() -> *mut hb_font_funcs_t;
}
extern "C" {
    pub fn hb_font_funcs_reference(ffuncs: *mut hb_font_funcs_t) -> *mut hb_font_funcs_t;
}
extern "C" {
    pub fn hb_font_funcs_destroy(ffuncs: *mut hb_font_funcs_t);
}
extern "C" {
    pub fn hb_font_funcs_set_user_data(
        ffuncs: *mut hb_font_funcs_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_funcs_get_user_data(
        ffuncs: *mut hb_font_funcs_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_font_funcs_make_immutable(ffuncs: *mut hb_font_funcs_t);
}
extern "C" {
    pub fn hb_font_funcs_is_immutable(ffuncs: *mut hb_font_funcs_t) -> hb_bool_t;
}
#[doc = " hb_font_extents_t:\n @ascender: The height of typographic ascenders.\n @descender: The depth of typographic descenders.\n @line_gap: The suggested line-spacing gap.\n\n Font-wide extent values, measured in font units.\n\n Note that typically @ascender is positive and @descender\n negative, in coordinate systems that grow up."]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_font_extents_t {
    pub ascender: hb_position_t,
    pub descender: hb_position_t,
    pub line_gap: hb_position_t,
    pub reserved9: hb_position_t,
    pub reserved8: hb_position_t,
    pub reserved7: hb_position_t,
    pub reserved6: hb_position_t,
    pub reserved5: hb_position_t,
    pub reserved4: hb_position_t,
    pub reserved3: hb_position_t,
    pub reserved2: hb_position_t,
    pub reserved1: hb_position_t,
}
#[test]
fn bindgen_test_layout_hb_font_extents_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_font_extents_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_font_extents_t>(),
        48usize,
        concat!("Size of: ", stringify!(hb_font_extents_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_font_extents_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_font_extents_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).ascender) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(ascender)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).descender) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(descender)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).line_gap) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(line_gap)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved9) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved9)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved8) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved8)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved7) as usize - ptr as usize },
        20usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved7)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved6) as usize - ptr as usize },
        24usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved6)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved5) as usize - ptr as usize },
        28usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved5)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved4) as usize - ptr as usize },
        32usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved4)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved3) as usize - ptr as usize },
        36usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved3)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved2) as usize - ptr as usize },
        40usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved2)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved1) as usize - ptr as usize },
        44usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_font_extents_t),
            "::",
            stringify!(reserved1)
        )
    );
}
#[doc = " hb_glyph_extents_t:\n @x_bearing: Distance from the x-origin to the left extremum of the glyph.\n @y_bearing: Distance from the top extremum of the glyph to the y-origin.\n @width: Distance from the left extremum of the glyph to the right extremum.\n @height: Distance from the top extremum of the glyph to the bottom extremum.\n\n Glyph extent values, measured in font units.\n\n Note that @height is negative, in coordinate systems that grow up."]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_glyph_extents_t {
    pub x_bearing: hb_position_t,
    pub y_bearing: hb_position_t,
    pub width: hb_position_t,
    pub height: hb_position_t,
}
#[test]
fn bindgen_test_layout_hb_glyph_extents_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_glyph_extents_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_glyph_extents_t>(),
        16usize,
        concat!("Size of: ", stringify!(hb_glyph_extents_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_glyph_extents_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_glyph_extents_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).x_bearing) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_extents_t),
            "::",
            stringify!(x_bearing)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).y_bearing) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_extents_t),
            "::",
            stringify!(y_bearing)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).width) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_extents_t),
            "::",
            stringify!(width)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).height) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_extents_t),
            "::",
            stringify!(height)
        )
    );
}
pub type hb_font_get_font_extents_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        extents: *mut hb_font_extents_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_font_h_extents_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the extents for a font, in horizontal-direction\n text segments. Extents must be returned in an #hb_glyph_extents output\n parameter.\n"]
pub type hb_font_get_font_h_extents_func_t = hb_font_get_font_extents_func_t;
#[doc = " hb_font_get_font_v_extents_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the extents for a font, in vertical-direction\n text segments. Extents must be returned in an #hb_glyph_extents output\n parameter.\n"]
pub type hb_font_get_font_v_extents_func_t = hb_font_get_font_extents_func_t;
#[doc = " hb_font_get_nominal_glyph_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the nominal glyph ID for a specified Unicode code\n point. Glyph IDs must be returned in a #hb_codepoint_t output parameter.\n"]
pub type hb_font_get_nominal_glyph_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        unicode: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_variation_glyph_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the glyph ID for a specified Unicode code point\n followed by a specified Variation Selector code point. Glyph IDs must be\n returned in a #hb_codepoint_t output parameter.\n"]
pub type hb_font_get_variation_glyph_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        unicode: hb_codepoint_t,
        variation_selector: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_nominal_glyphs_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the nominal glyph IDs for a sequence of\n Unicode code points. Glyph IDs must be returned in a #hb_codepoint_t\n output parameter.\n"]
pub type hb_font_get_nominal_glyphs_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        count: ::core::ffi::c_uint,
        first_unicode: *const hb_codepoint_t,
        unicode_stride: ::core::ffi::c_uint,
        first_glyph: *mut hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
        user_data: *mut ::core::ffi::c_void,
    ) -> ::core::ffi::c_uint,
>;
#[doc = " hb_font_get_glyph_advance_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advance for a specified glyph. The\n method must return an #hb_position_t.\n"]
pub type hb_font_get_glyph_advance_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        glyph: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_position_t,
>;
#[doc = " hb_font_get_glyph_h_advance_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advance for a specified glyph, in\n horizontal-direction text segments. Advances must be returned in\n an #hb_position_t output parameter.\n"]
pub type hb_font_get_glyph_h_advance_func_t = hb_font_get_glyph_advance_func_t;
#[doc = " hb_font_get_glyph_v_advance_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advance for a specified glyph, in\n vertical-direction text segments. Advances must be returned in\n an #hb_position_t output parameter.\n"]
pub type hb_font_get_glyph_v_advance_func_t = hb_font_get_glyph_advance_func_t;
#[doc = " hb_font_get_glyph_advances_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advances for a sequence of glyphs.\n"]
pub type hb_font_get_glyph_advances_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        count: ::core::ffi::c_uint,
        first_glyph: *const hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
        first_advance: *mut hb_position_t,
        advance_stride: ::core::ffi::c_uint,
        user_data: *mut ::core::ffi::c_void,
    ),
>;
#[doc = " hb_font_get_glyph_h_advances_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advances for a sequence of glyphs, in\n horizontal-direction text segments.\n"]
pub type hb_font_get_glyph_h_advances_func_t = hb_font_get_glyph_advances_func_t;
#[doc = " hb_font_get_glyph_v_advances_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the advances for a sequence of glyphs, in\n vertical-direction text segments.\n"]
pub type hb_font_get_glyph_v_advances_func_t = hb_font_get_glyph_advances_func_t;
#[doc = " hb_font_get_glyph_origin_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the (X,Y) coordinates (in font units) of the\n origin for a glyph. Each coordinate must be returned in an #hb_position_t\n output parameter.\n"]
pub type hb_font_get_glyph_origin_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        glyph: hb_codepoint_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_glyph_h_origin_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the (X,Y) coordinates (in font units) of the\n origin for a glyph, in horizontal-direction text segments. Each\n coordinate must be returned in an #hb_position_t output parameter.\n"]
pub type hb_font_get_glyph_h_origin_func_t = hb_font_get_glyph_origin_func_t;
#[doc = " hb_font_get_glyph_v_origin_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the (X,Y) coordinates (in font units) of the\n origin for a glyph, in vertical-direction text segments. Each coordinate\n must be returned in an #hb_position_t output parameter.\n"]
pub type hb_font_get_glyph_v_origin_func_t = hb_font_get_glyph_origin_func_t;
pub type hb_font_get_glyph_kerning_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        first_glyph: hb_codepoint_t,
        second_glyph: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_position_t,
>;
pub type hb_font_get_glyph_h_kerning_func_t = hb_font_get_glyph_kerning_func_t;
#[doc = " hb_font_get_glyph_extents_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the extents for a specified glyph. Extents must be\n returned in an #hb_glyph_extents output parameter.\n"]
pub type hb_font_get_glyph_extents_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        glyph: hb_codepoint_t,
        extents: *mut hb_glyph_extents_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_glyph_contour_point_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the (X,Y) coordinates (in font units) for a\n specified contour point in a glyph. Each coordinate must be returned as\n an #hb_position_t output parameter.\n"]
pub type hb_font_get_glyph_contour_point_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        glyph: hb_codepoint_t,
        point_index: ::core::ffi::c_uint,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_glyph_name_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the glyph name that corresponds to a\n glyph ID. The name should be returned in a string output parameter.\n"]
pub type hb_font_get_glyph_name_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        glyph: hb_codepoint_t,
        name: *mut ::core::ffi::c_char,
        size: ::core::ffi::c_uint,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
#[doc = " hb_font_get_glyph_from_name_func_t:\n\n A virtual method for the #hb_font_funcs_t of an #hb_font_t object.\n\n This method should retrieve the glyph ID that corresponds to a glyph-name\n string.\n"]
pub type hb_font_get_glyph_from_name_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        name: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
        glyph: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
extern "C" {
    #[doc = " hb_font_funcs_set_font_h_extents_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_font_h_extents_func_t.\n\n Since: 1.1.2"]
    pub fn hb_font_funcs_set_font_h_extents_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_font_h_extents_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_font_v_extents_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_font_v_extents_func_t.\n\n Since: 1.1.2"]
    pub fn hb_font_funcs_set_font_v_extents_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_font_v_extents_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_nominal_glyph_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_nominal_glyph_func_t.\n\n Since: 1.2.3"]
    pub fn hb_font_funcs_set_nominal_glyph_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_nominal_glyph_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_nominal_glyphs_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_nominal_glyphs_func_t.\n\n Since: 2.0.0"]
    pub fn hb_font_funcs_set_nominal_glyphs_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_nominal_glyphs_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_variation_glyph_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_variation_glyph_func_t.\n\n Since: 1.2.3"]
    pub fn hb_font_funcs_set_variation_glyph_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_variation_glyph_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_h_advance_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_h_advance_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_h_advance_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_h_advance_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_v_advance_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_v_advance_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_v_advance_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_v_advance_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_h_advances_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_h_advances_func_t.\n\n Since: 1.8.6"]
    pub fn hb_font_funcs_set_glyph_h_advances_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_h_advances_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_v_advances_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_v_advances_func_t.\n\n Since: 1.8.6"]
    pub fn hb_font_funcs_set_glyph_v_advances_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_v_advances_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_h_origin_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_h_origin_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_h_origin_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_h_origin_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_v_origin_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_v_origin_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_v_origin_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_v_origin_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_h_kerning_func:\n @ffuncs: font functions.\n @func: (closure user_data) (destroy destroy) (scope notified):\n @user_data:\n @destroy:\n\n\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_h_kerning_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_h_kerning_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_extents_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_extents_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_extents_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_extents_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_contour_point_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_contour_point_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_contour_point_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_contour_point_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_name_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_name_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_name_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_name_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_from_name_func:\n @ffuncs: A font-function structure\n @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign\n @user_data: Data to pass to @func\n @destroy: (optional): The function to call when @user_data is not needed anymore\n\n Sets the implementation function for #hb_font_get_glyph_from_name_func_t.\n\n Since: 0.9.2"]
    pub fn hb_font_funcs_set_glyph_from_name_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_from_name_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_font_get_h_extents(
        font: *mut hb_font_t,
        extents: *mut hb_font_extents_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_v_extents(
        font: *mut hb_font_t,
        extents: *mut hb_font_extents_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_nominal_glyph(
        font: *mut hb_font_t,
        unicode: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_variation_glyph(
        font: *mut hb_font_t,
        unicode: hb_codepoint_t,
        variation_selector: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_nominal_glyphs(
        font: *mut hb_font_t,
        count: ::core::ffi::c_uint,
        first_unicode: *const hb_codepoint_t,
        unicode_stride: ::core::ffi::c_uint,
        first_glyph: *mut hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_font_get_glyph_h_advance(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_font_get_glyph_v_advance(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_font_get_glyph_h_advances(
        font: *mut hb_font_t,
        count: ::core::ffi::c_uint,
        first_glyph: *const hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
        first_advance: *mut hb_position_t,
        advance_stride: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_v_advances(
        font: *mut hb_font_t,
        count: ::core::ffi::c_uint,
        first_glyph: *const hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
        first_advance: *mut hb_position_t,
        advance_stride: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_h_origin(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_v_origin(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_h_kerning(
        font: *mut hb_font_t,
        left_glyph: hb_codepoint_t,
        right_glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_font_get_glyph_extents(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        extents: *mut hb_glyph_extents_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_contour_point(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        point_index: ::core::ffi::c_uint,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_name(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        name: *mut ::core::ffi::c_char,
        size: ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_from_name(
        font: *mut hb_font_t,
        name: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
        glyph: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph(
        font: *mut hb_font_t,
        unicode: hb_codepoint_t,
        variation_selector: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_extents_for_direction(
        font: *mut hb_font_t,
        direction: hb_direction_t,
        extents: *mut hb_font_extents_t,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_advance_for_direction(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_advances_for_direction(
        font: *mut hb_font_t,
        direction: hb_direction_t,
        count: ::core::ffi::c_uint,
        first_glyph: *const hb_codepoint_t,
        glyph_stride: ::core::ffi::c_uint,
        first_advance: *mut hb_position_t,
        advance_stride: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_origin_for_direction(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    );
}
extern "C" {
    pub fn hb_font_add_glyph_origin_for_direction(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    );
}
extern "C" {
    pub fn hb_font_subtract_glyph_origin_for_direction(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_kerning_for_direction(
        font: *mut hb_font_t,
        first_glyph: hb_codepoint_t,
        second_glyph: hb_codepoint_t,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_extents_for_origin(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        extents: *mut hb_glyph_extents_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_glyph_contour_point_for_origin(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        point_index: ::core::ffi::c_uint,
        direction: hb_direction_t,
        x: *mut hb_position_t,
        y: *mut hb_position_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_glyph_to_string(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        s: *mut ::core::ffi::c_char,
        size: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_glyph_from_string(
        font: *mut hb_font_t,
        s: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
        glyph: *mut hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_create(face: *mut hb_face_t) -> *mut hb_font_t;
}
extern "C" {
    pub fn hb_font_create_sub_font(parent: *mut hb_font_t) -> *mut hb_font_t;
}
extern "C" {
    pub fn hb_font_get_empty() -> *mut hb_font_t;
}
extern "C" {
    pub fn hb_font_reference(font: *mut hb_font_t) -> *mut hb_font_t;
}
extern "C" {
    pub fn hb_font_destroy(font: *mut hb_font_t);
}
extern "C" {
    pub fn hb_font_set_user_data(
        font: *mut hb_font_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_get_user_data(
        font: *mut hb_font_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_font_make_immutable(font: *mut hb_font_t);
}
extern "C" {
    pub fn hb_font_is_immutable(font: *mut hb_font_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_font_set_parent(font: *mut hb_font_t, parent: *mut hb_font_t);
}
extern "C" {
    pub fn hb_font_get_parent(font: *mut hb_font_t) -> *mut hb_font_t;
}
extern "C" {
    pub fn hb_font_set_face(font: *mut hb_font_t, face: *mut hb_face_t);
}
extern "C" {
    pub fn hb_font_get_face(font: *mut hb_font_t) -> *mut hb_face_t;
}
extern "C" {
    pub fn hb_font_set_funcs(
        font: *mut hb_font_t,
        klass: *mut hb_font_funcs_t,
        font_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_font_set_funcs_data(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_font_set_scale(
        font: *mut hb_font_t,
        x_scale: ::core::ffi::c_int,
        y_scale: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_font_get_scale(
        font: *mut hb_font_t,
        x_scale: *mut ::core::ffi::c_int,
        y_scale: *mut ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_font_set_ppem(
        font: *mut hb_font_t,
        x_ppem: ::core::ffi::c_uint,
        y_ppem: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_get_ppem(
        font: *mut hb_font_t,
        x_ppem: *mut ::core::ffi::c_uint,
        y_ppem: *mut ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_set_ptem(font: *mut hb_font_t, ptem: ::core::ffi::c_float);
}
extern "C" {
    pub fn hb_font_get_ptem(font: *mut hb_font_t) -> ::core::ffi::c_float;
}
extern "C" {
    pub fn hb_font_set_variations(
        font: *mut hb_font_t,
        variations: *const hb_variation_t,
        variations_length: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_set_var_coords_design(
        font: *mut hb_font_t,
        coords: *const ::core::ffi::c_float,
        coords_length: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_set_var_coords_normalized(
        font: *mut hb_font_t,
        coords: *const ::core::ffi::c_int,
        coords_length: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_font_get_var_coords_normalized(
        font: *mut hb_font_t,
        length: *mut ::core::ffi::c_uint,
    ) -> *const ::core::ffi::c_int;
}
extern "C" {
    pub fn hb_font_set_var_named_instance(
        font: *mut hb_font_t,
        instance_index: ::core::ffi::c_uint,
    );
}
#[doc = " hb_glyph_info_t:\n @codepoint: either a Unicode code point (before shaping) or a glyph index\n             (after shaping).\n @cluster: the index of the character in the original text that corresponds\n           to this #hb_glyph_info_t, or whatever the client passes to\n           hb_buffer_add(). More than one #hb_glyph_info_t can have the same\n           @cluster value, if they resulted from the same character (e.g. one\n           to many glyph substitution), and when more than one character gets\n           merged in the same glyph (e.g. many to one glyph substitution) the\n           #hb_glyph_info_t will have the smallest cluster value of them.\n           By default some characters are merged into the same cluster\n           (e.g. combining marks have the same cluster as their bases)\n           even if they are separate glyphs, hb_buffer_set_cluster_level()\n           allow selecting more fine-grained cluster handling.\n\n The #hb_glyph_info_t is the structure that holds information about the\n glyphs and their relation to input text."]
#[repr(C)]
#[derive(Copy, Clone)]
pub struct hb_glyph_info_t {
    pub codepoint: hb_codepoint_t,
    pub mask: hb_mask_t,
    pub cluster: u32,
    pub var1: hb_var_int_t,
    pub var2: hb_var_int_t,
}
#[test]
fn bindgen_test_layout_hb_glyph_info_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_glyph_info_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_glyph_info_t>(),
        20usize,
        concat!("Size of: ", stringify!(hb_glyph_info_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_glyph_info_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_glyph_info_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).codepoint) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_info_t),
            "::",
            stringify!(codepoint)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).mask) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_info_t),
            "::",
            stringify!(mask)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).cluster) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_info_t),
            "::",
            stringify!(cluster)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).var1) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_info_t),
            "::",
            stringify!(var1)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).var2) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_info_t),
            "::",
            stringify!(var2)
        )
    );
}
pub const HB_GLYPH_FLAG_UNSAFE_TO_BREAK: hb_glyph_flags_t = 1;
pub const HB_GLYPH_FLAG_DEFINED: hb_glyph_flags_t = 1;
#[doc = " hb_glyph_flags_t:\n @HB_GLYPH_FLAG_UNSAFE_TO_BREAK: Indicates that if input text is broken at the\n \t\t\t\t   beginning of the cluster this glyph is part of,\n \t\t\t\t   then both sides need to be re-shaped, as the\n \t\t\t\t   result might be different.  On the flip side,\n \t\t\t\t   it means that when this flag is not present,\n \t\t\t\t   then it's safe to break the glyph-run at the\n \t\t\t\t   beginning of this cluster, and the two sides\n \t\t\t\t   represent the exact same result one would get\n \t\t\t\t   if breaking input text at the beginning of\n \t\t\t\t   this cluster and shaping the two sides\n \t\t\t\t   separately.  This can be used to optimize\n \t\t\t\t   paragraph layout, by avoiding re-shaping\n \t\t\t\t   of each line after line-breaking, or limiting\n \t\t\t\t   the reshaping to a small piece around the\n \t\t\t\t   breaking point only.\n @HB_GLYPH_FLAG_DEFINED: All the currently defined flags.\n\n Since: 1.5.0"]
pub type hb_glyph_flags_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_glyph_info_get_glyph_flags(info: *const hb_glyph_info_t) -> hb_glyph_flags_t;
}
#[doc = " hb_glyph_position_t:\n @x_advance: how much the line advances after drawing this glyph when setting\n             text in horizontal direction.\n @y_advance: how much the line advances after drawing this glyph when setting\n             text in vertical direction.\n @x_offset: how much the glyph moves on the X-axis before drawing it, this\n            should not affect how much the line advances.\n @y_offset: how much the glyph moves on the Y-axis before drawing it, this\n            should not affect how much the line advances.\n\n The #hb_glyph_position_t is the structure that holds the positions of the\n glyph in both horizontal and vertical directions. All positions in\n #hb_glyph_position_t are relative to the current point.\n"]
#[repr(C)]
#[derive(Copy, Clone)]
pub struct hb_glyph_position_t {
    pub x_advance: hb_position_t,
    pub y_advance: hb_position_t,
    pub x_offset: hb_position_t,
    pub y_offset: hb_position_t,
    pub var: hb_var_int_t,
}
#[test]
fn bindgen_test_layout_hb_glyph_position_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_glyph_position_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_glyph_position_t>(),
        20usize,
        concat!("Size of: ", stringify!(hb_glyph_position_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_glyph_position_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_glyph_position_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).x_advance) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_position_t),
            "::",
            stringify!(x_advance)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).y_advance) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_position_t),
            "::",
            stringify!(y_advance)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).x_offset) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_position_t),
            "::",
            stringify!(x_offset)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).y_offset) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_position_t),
            "::",
            stringify!(y_offset)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).var) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_glyph_position_t),
            "::",
            stringify!(var)
        )
    );
}
#[doc = " hb_segment_properties_t:\n @direction: the #hb_direction_t of the buffer, see hb_buffer_set_direction().\n @script: the #hb_script_t of the buffer, see hb_buffer_set_script().\n @language: the #hb_language_t of the buffer, see hb_buffer_set_language().\n\n The structure that holds various text properties of an #hb_buffer_t. Can be\n set and retrieved using hb_buffer_set_segment_properties() and\n hb_buffer_get_segment_properties(), respectively."]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_segment_properties_t {
    pub direction: hb_direction_t,
    pub script: hb_script_t,
    pub language: hb_language_t,
    pub reserved1: *mut ::core::ffi::c_void,
    pub reserved2: *mut ::core::ffi::c_void,
}
#[test]
fn bindgen_test_layout_hb_segment_properties_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_segment_properties_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_segment_properties_t>(),
        32usize,
        concat!("Size of: ", stringify!(hb_segment_properties_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_segment_properties_t>(),
        8usize,
        concat!("Alignment of ", stringify!(hb_segment_properties_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).direction) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_segment_properties_t),
            "::",
            stringify!(direction)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).script) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_segment_properties_t),
            "::",
            stringify!(script)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).language) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_segment_properties_t),
            "::",
            stringify!(language)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved1) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_segment_properties_t),
            "::",
            stringify!(reserved1)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved2) as usize - ptr as usize },
        24usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_segment_properties_t),
            "::",
            stringify!(reserved2)
        )
    );
}
extern "C" {
    pub fn hb_segment_properties_equal(
        a: *const hb_segment_properties_t,
        b: *const hb_segment_properties_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_segment_properties_hash(p: *const hb_segment_properties_t) -> ::core::ffi::c_uint;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_buffer_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_buffer_create() -> *mut hb_buffer_t;
}
extern "C" {
    pub fn hb_buffer_get_empty() -> *mut hb_buffer_t;
}
extern "C" {
    pub fn hb_buffer_reference(buffer: *mut hb_buffer_t) -> *mut hb_buffer_t;
}
extern "C" {
    pub fn hb_buffer_destroy(buffer: *mut hb_buffer_t);
}
extern "C" {
    pub fn hb_buffer_set_user_data(
        buffer: *mut hb_buffer_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_get_user_data(
        buffer: *mut hb_buffer_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
pub const HB_BUFFER_CONTENT_TYPE_INVALID: hb_buffer_content_type_t = 0;
pub const HB_BUFFER_CONTENT_TYPE_UNICODE: hb_buffer_content_type_t = 1;
pub const HB_BUFFER_CONTENT_TYPE_GLYPHS: hb_buffer_content_type_t = 2;
#[doc = " hb_buffer_content_type_t:\n @HB_BUFFER_CONTENT_TYPE_INVALID: Initial value for new buffer.\n @HB_BUFFER_CONTENT_TYPE_UNICODE: The buffer contains input characters (before shaping).\n @HB_BUFFER_CONTENT_TYPE_GLYPHS: The buffer contains output glyphs (after shaping)."]
pub type hb_buffer_content_type_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_buffer_set_content_type(
        buffer: *mut hb_buffer_t,
        content_type: hb_buffer_content_type_t,
    );
}
extern "C" {
    pub fn hb_buffer_get_content_type(buffer: *mut hb_buffer_t) -> hb_buffer_content_type_t;
}
extern "C" {
    pub fn hb_buffer_set_unicode_funcs(
        buffer: *mut hb_buffer_t,
        unicode_funcs: *mut hb_unicode_funcs_t,
    );
}
extern "C" {
    pub fn hb_buffer_get_unicode_funcs(buffer: *mut hb_buffer_t) -> *mut hb_unicode_funcs_t;
}
extern "C" {
    pub fn hb_buffer_set_direction(buffer: *mut hb_buffer_t, direction: hb_direction_t);
}
extern "C" {
    pub fn hb_buffer_get_direction(buffer: *mut hb_buffer_t) -> hb_direction_t;
}
extern "C" {
    pub fn hb_buffer_set_script(buffer: *mut hb_buffer_t, script: hb_script_t);
}
extern "C" {
    pub fn hb_buffer_get_script(buffer: *mut hb_buffer_t) -> hb_script_t;
}
extern "C" {
    pub fn hb_buffer_set_language(buffer: *mut hb_buffer_t, language: hb_language_t);
}
extern "C" {
    pub fn hb_buffer_get_language(buffer: *mut hb_buffer_t) -> hb_language_t;
}
extern "C" {
    pub fn hb_buffer_set_segment_properties(
        buffer: *mut hb_buffer_t,
        props: *const hb_segment_properties_t,
    );
}
extern "C" {
    pub fn hb_buffer_get_segment_properties(
        buffer: *mut hb_buffer_t,
        props: *mut hb_segment_properties_t,
    );
}
extern "C" {
    pub fn hb_buffer_guess_segment_properties(buffer: *mut hb_buffer_t);
}
pub const HB_BUFFER_FLAG_DEFAULT: hb_buffer_flags_t = 0;
pub const HB_BUFFER_FLAG_BOT: hb_buffer_flags_t = 1;
pub const HB_BUFFER_FLAG_EOT: hb_buffer_flags_t = 2;
pub const HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES: hb_buffer_flags_t = 4;
pub const HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES: hb_buffer_flags_t = 8;
pub const HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE: hb_buffer_flags_t = 16;
#[doc = " hb_buffer_flags_t:\n @HB_BUFFER_FLAG_DEFAULT: the default buffer flag.\n @HB_BUFFER_FLAG_BOT: flag indicating that special handling of the beginning\n                      of text paragraph can be applied to this buffer. Should usually\n                      be set, unless you are passing to the buffer only part\n                      of the text without the full context.\n @HB_BUFFER_FLAG_EOT: flag indicating that special handling of the end of text\n                      paragraph can be applied to this buffer, similar to\n                      @HB_BUFFER_FLAG_BOT.\n @HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES:\n                      flag indication that character with Default_Ignorable\n                      Unicode property should use the corresponding glyph\n                      from the font, instead of hiding them (done by\n                      replacing them with the space glyph and zeroing the\n                      advance width.)  This flag takes precedence over\n                      @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES.\n @HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES:\n                      flag indication that character with Default_Ignorable\n                      Unicode property should be removed from glyph string\n                      instead of hiding them (done by replacing them with the\n                      space glyph and zeroing the advance width.)\n                      @HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES takes\n                      precedence over this flag. Since: 1.8.0\n @HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE:\n                      flag indicating that a dotted circle should\n                      not be inserted in the rendering of incorrect\n                      character sequences (such at <0905 093E>). Since: 2.4\n\n Since: 0.9.20"]
pub type hb_buffer_flags_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_buffer_set_flags(buffer: *mut hb_buffer_t, flags: hb_buffer_flags_t);
}
extern "C" {
    pub fn hb_buffer_get_flags(buffer: *mut hb_buffer_t) -> hb_buffer_flags_t;
}
pub const HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES: hb_buffer_cluster_level_t = 0;
pub const HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS: hb_buffer_cluster_level_t = 1;
pub const HB_BUFFER_CLUSTER_LEVEL_CHARACTERS: hb_buffer_cluster_level_t = 2;
pub const HB_BUFFER_CLUSTER_LEVEL_DEFAULT: hb_buffer_cluster_level_t = 0;
#[doc = " hb_buffer_cluster_level_t:\n @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES: Return cluster values grouped by graphemes into\n   monotone order.\n @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS: Return cluster values grouped into monotone order.\n @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS: Don't group cluster values.\n @HB_BUFFER_CLUSTER_LEVEL_DEFAULT: Default cluster level,\n   equal to @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES.\n\n Data type for holding HarfBuzz's clustering behavior options. The cluster level\n dictates one aspect of how HarfBuzz will treat non-base characters\n during shaping.\n\n In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES, non-base\n characters are merged into the cluster of the base character that precedes them.\n\n In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS, non-base characters are initially\n assigned their own cluster values, which are not merged into preceding base\n clusters. This allows HarfBuzz to perform additional operations like reorder\n sequences of adjacent marks.\n\n @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES is the default, because it maintains\n backward compatibility with older versions of HarfBuzz. New client programs that\n do not need to maintain such backward compatibility are recommended to use\n @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS instead of the default.\n\n Since: 0.9.42"]
pub type hb_buffer_cluster_level_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_buffer_set_cluster_level(
        buffer: *mut hb_buffer_t,
        cluster_level: hb_buffer_cluster_level_t,
    );
}
extern "C" {
    pub fn hb_buffer_get_cluster_level(buffer: *mut hb_buffer_t) -> hb_buffer_cluster_level_t;
}
extern "C" {
    pub fn hb_buffer_set_replacement_codepoint(
        buffer: *mut hb_buffer_t,
        replacement: hb_codepoint_t,
    );
}
extern "C" {
    pub fn hb_buffer_get_replacement_codepoint(buffer: *mut hb_buffer_t) -> hb_codepoint_t;
}
extern "C" {
    pub fn hb_buffer_set_invisible_glyph(buffer: *mut hb_buffer_t, invisible: hb_codepoint_t);
}
extern "C" {
    pub fn hb_buffer_get_invisible_glyph(buffer: *mut hb_buffer_t) -> hb_codepoint_t;
}
extern "C" {
    pub fn hb_buffer_reset(buffer: *mut hb_buffer_t);
}
extern "C" {
    pub fn hb_buffer_clear_contents(buffer: *mut hb_buffer_t);
}
extern "C" {
    pub fn hb_buffer_pre_allocate(buffer: *mut hb_buffer_t, size: ::core::ffi::c_uint)
        -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_allocation_successful(buffer: *mut hb_buffer_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_reverse(buffer: *mut hb_buffer_t);
}
extern "C" {
    pub fn hb_buffer_reverse_range(
        buffer: *mut hb_buffer_t,
        start: ::core::ffi::c_uint,
        end: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_buffer_reverse_clusters(buffer: *mut hb_buffer_t);
}
extern "C" {
    pub fn hb_buffer_add(
        buffer: *mut hb_buffer_t,
        codepoint: hb_codepoint_t,
        cluster: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_buffer_add_utf8(
        buffer: *mut hb_buffer_t,
        text: *const ::core::ffi::c_char,
        text_length: ::core::ffi::c_int,
        item_offset: ::core::ffi::c_uint,
        item_length: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_buffer_add_utf16(
        buffer: *mut hb_buffer_t,
        text: *const u16,
        text_length: ::core::ffi::c_int,
        item_offset: ::core::ffi::c_uint,
        item_length: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_buffer_add_utf32(
        buffer: *mut hb_buffer_t,
        text: *const u32,
        text_length: ::core::ffi::c_int,
        item_offset: ::core::ffi::c_uint,
        item_length: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_buffer_add_latin1(
        buffer: *mut hb_buffer_t,
        text: *const u8,
        text_length: ::core::ffi::c_int,
        item_offset: ::core::ffi::c_uint,
        item_length: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_buffer_add_codepoints(
        buffer: *mut hb_buffer_t,
        text: *const hb_codepoint_t,
        text_length: ::core::ffi::c_int,
        item_offset: ::core::ffi::c_uint,
        item_length: ::core::ffi::c_int,
    );
}
extern "C" {
    pub fn hb_buffer_append(
        buffer: *mut hb_buffer_t,
        source: *mut hb_buffer_t,
        start: ::core::ffi::c_uint,
        end: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_buffer_set_length(buffer: *mut hb_buffer_t, length: ::core::ffi::c_uint)
        -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_get_length(buffer: *mut hb_buffer_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_buffer_get_glyph_infos(
        buffer: *mut hb_buffer_t,
        length: *mut ::core::ffi::c_uint,
    ) -> *mut hb_glyph_info_t;
}
extern "C" {
    pub fn hb_buffer_get_glyph_positions(
        buffer: *mut hb_buffer_t,
        length: *mut ::core::ffi::c_uint,
    ) -> *mut hb_glyph_position_t;
}
extern "C" {
    pub fn hb_buffer_has_positions(buffer: *mut hb_buffer_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_normalize_glyphs(buffer: *mut hb_buffer_t);
}
pub const HB_BUFFER_SERIALIZE_FLAG_DEFAULT: hb_buffer_serialize_flags_t = 0;
pub const HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS: hb_buffer_serialize_flags_t = 1;
pub const HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS: hb_buffer_serialize_flags_t = 2;
pub const HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES: hb_buffer_serialize_flags_t = 4;
pub const HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS: hb_buffer_serialize_flags_t = 8;
pub const HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: hb_buffer_serialize_flags_t = 16;
pub const HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: hb_buffer_serialize_flags_t = 32;
#[doc = " hb_buffer_serialize_flags_t:\n @HB_BUFFER_SERIALIZE_FLAG_DEFAULT: serialize glyph names, clusters and positions.\n @HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS: do not serialize glyph cluster.\n @HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS: do not serialize glyph position information.\n @HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES: do no serialize glyph name.\n @HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS: serialize glyph extents.\n @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0\n @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances,\n  glyph offsets will reflect absolute glyph positions. Since: 1.8.0\n\n Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().\n\n Since: 0.9.20"]
pub type hb_buffer_serialize_flags_t = ::core::ffi::c_uint;
pub const HB_BUFFER_SERIALIZE_FORMAT_TEXT: hb_buffer_serialize_format_t = 1413830740;
pub const HB_BUFFER_SERIALIZE_FORMAT_JSON: hb_buffer_serialize_format_t = 1246973774;
pub const HB_BUFFER_SERIALIZE_FORMAT_INVALID: hb_buffer_serialize_format_t = 0;
#[doc = " hb_buffer_serialize_format_t:\n @HB_BUFFER_SERIALIZE_FORMAT_TEXT: a human-readable, plain text format.\n @HB_BUFFER_SERIALIZE_FORMAT_JSON: a machine-readable JSON format.\n @HB_BUFFER_SERIALIZE_FORMAT_INVALID: invalid format.\n\n The buffer serialization and de-serialization format used in\n hb_buffer_serialize_glyphs() and hb_buffer_deserialize_glyphs().\n\n Since: 0.9.2"]
pub type hb_buffer_serialize_format_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_buffer_serialize_format_from_string(
        str_: *const ::core::ffi::c_char,
        len: ::core::ffi::c_int,
    ) -> hb_buffer_serialize_format_t;
}
extern "C" {
    pub fn hb_buffer_serialize_format_to_string(
        format: hb_buffer_serialize_format_t,
    ) -> *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_buffer_serialize_list_formats() -> *mut *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_buffer_serialize_glyphs(
        buffer: *mut hb_buffer_t,
        start: ::core::ffi::c_uint,
        end: ::core::ffi::c_uint,
        buf: *mut ::core::ffi::c_char,
        buf_size: ::core::ffi::c_uint,
        buf_consumed: *mut ::core::ffi::c_uint,
        font: *mut hb_font_t,
        format: hb_buffer_serialize_format_t,
        flags: hb_buffer_serialize_flags_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_buffer_serialize_unicode(
        buffer: *mut hb_buffer_t,
        start: ::core::ffi::c_uint,
        end: ::core::ffi::c_uint,
        buf: *mut ::core::ffi::c_char,
        buf_size: ::core::ffi::c_uint,
        buf_consumed: *mut ::core::ffi::c_uint,
        format: hb_buffer_serialize_format_t,
        flags: hb_buffer_serialize_flags_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_buffer_serialize(
        buffer: *mut hb_buffer_t,
        start: ::core::ffi::c_uint,
        end: ::core::ffi::c_uint,
        buf: *mut ::core::ffi::c_char,
        buf_size: ::core::ffi::c_uint,
        buf_consumed: *mut ::core::ffi::c_uint,
        font: *mut hb_font_t,
        format: hb_buffer_serialize_format_t,
        flags: hb_buffer_serialize_flags_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_buffer_deserialize_glyphs(
        buffer: *mut hb_buffer_t,
        buf: *const ::core::ffi::c_char,
        buf_len: ::core::ffi::c_int,
        end_ptr: *mut *const ::core::ffi::c_char,
        font: *mut hb_font_t,
        format: hb_buffer_serialize_format_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_buffer_deserialize_unicode(
        buffer: *mut hb_buffer_t,
        buf: *const ::core::ffi::c_char,
        buf_len: ::core::ffi::c_int,
        end_ptr: *mut *const ::core::ffi::c_char,
        format: hb_buffer_serialize_format_t,
    ) -> hb_bool_t;
}
pub const HB_BUFFER_DIFF_FLAG_EQUAL: hb_buffer_diff_flags_t = 0;
pub const HB_BUFFER_DIFF_FLAG_CONTENT_TYPE_MISMATCH: hb_buffer_diff_flags_t = 1;
pub const HB_BUFFER_DIFF_FLAG_LENGTH_MISMATCH: hb_buffer_diff_flags_t = 2;
pub const HB_BUFFER_DIFF_FLAG_NOTDEF_PRESENT: hb_buffer_diff_flags_t = 4;
pub const HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT: hb_buffer_diff_flags_t = 8;
pub const HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH: hb_buffer_diff_flags_t = 16;
pub const HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH: hb_buffer_diff_flags_t = 32;
pub const HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH: hb_buffer_diff_flags_t = 64;
pub const HB_BUFFER_DIFF_FLAG_POSITION_MISMATCH: hb_buffer_diff_flags_t = 128;
pub type hb_buffer_diff_flags_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_buffer_diff(
        buffer: *mut hb_buffer_t,
        reference: *mut hb_buffer_t,
        dottedcircle_glyph: hb_codepoint_t,
        position_fuzz: ::core::ffi::c_uint,
    ) -> hb_buffer_diff_flags_t;
}
pub type hb_buffer_message_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        buffer: *mut hb_buffer_t,
        font: *mut hb_font_t,
        message: *const ::core::ffi::c_char,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
extern "C" {
    pub fn hb_buffer_set_message_func(
        buffer: *mut hb_buffer_t,
        func: hb_buffer_message_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
pub type hb_font_get_glyph_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        font: *mut hb_font_t,
        font_data: *mut ::core::ffi::c_void,
        unicode: hb_codepoint_t,
        variation_selector: hb_codepoint_t,
        glyph: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> hb_bool_t,
>;
extern "C" {
    pub fn hb_font_funcs_set_glyph_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_set_invert(set: *mut hb_set_t);
}
#[doc = " hb_unicode_eastasian_width_func_t:\n\n Deprecated: 2.0.0"]
pub type hb_unicode_eastasian_width_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> ::core::ffi::c_uint,
>;
extern "C" {
    #[doc = " hb_unicode_funcs_set_eastasian_width_func:\n @ufuncs: a Unicode function structure\n @func: (closure user_data) (destroy destroy) (scope notified):\n @user_data:\n @destroy:\n\n\n\n Since: 0.9.2\n Deprecated: 2.0.0"]
    pub fn hb_unicode_funcs_set_eastasian_width_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_eastasian_width_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    #[doc = " hb_unicode_eastasian_width:\n\n Since: 0.9.2\n Deprecated: 2.0.0"]
    pub fn hb_unicode_eastasian_width(
        ufuncs: *mut hb_unicode_funcs_t,
        unicode: hb_codepoint_t,
    ) -> ::core::ffi::c_uint;
}
#[doc = " hb_unicode_decompose_compatibility_func_t:\n @ufuncs: a Unicode function structure\n @u: codepoint to decompose\n @decomposed: address of codepoint array (of length %HB_UNICODE_MAX_DECOMPOSITION_LEN) to write decomposition into\n @user_data: user data pointer as passed to hb_unicode_funcs_set_decompose_compatibility_func()\n\n Fully decompose @u to its Unicode compatibility decomposition. The codepoints of the decomposition will be written to @decomposed.\n The complete length of the decomposition will be returned.\n\n If @u has no compatibility decomposition, zero should be returned.\n\n The Unicode standard guarantees that a buffer of length %HB_UNICODE_MAX_DECOMPOSITION_LEN codepoints will always be sufficient for any\n compatibility decomposition plus an terminating value of 0.  Consequently, @decompose must be allocated by the caller to be at least this length.  Implementations\n of this function type must ensure that they do not write past the provided array.\n\n Return value: number of codepoints in the full compatibility decomposition of @u, or 0 if no decomposition available.\n\n Deprecated: 2.0.0"]
pub type hb_unicode_decompose_compatibility_func_t = ::core::option::Option<
    unsafe extern "C" fn(
        ufuncs: *mut hb_unicode_funcs_t,
        u: hb_codepoint_t,
        decomposed: *mut hb_codepoint_t,
        user_data: *mut ::core::ffi::c_void,
    ) -> ::core::ffi::c_uint,
>;
extern "C" {
    #[doc = " hb_unicode_funcs_set_decompose_compatibility_func:\n @ufuncs: a Unicode function structure\n @func: (closure user_data) (destroy destroy) (scope notified):\n @user_data:\n @destroy:\n\n\n\n Since: 0.9.2\n Deprecated: 2.0.0"]
    pub fn hb_unicode_funcs_set_decompose_compatibility_func(
        ufuncs: *mut hb_unicode_funcs_t,
        func: hb_unicode_decompose_compatibility_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_unicode_decompose_compatibility(
        ufuncs: *mut hb_unicode_funcs_t,
        u: hb_codepoint_t,
        decomposed: *mut hb_codepoint_t,
    ) -> ::core::ffi::c_uint;
}
pub type hb_font_get_glyph_v_kerning_func_t = hb_font_get_glyph_kerning_func_t;
extern "C" {
    #[doc = " hb_font_funcs_set_glyph_v_kerning_func:\n @ffuncs: font functions.\n @func: (closure user_data) (destroy destroy) (scope notified):\n @user_data:\n @destroy:\n\n\n\n Since: 0.9.2\n Deprecated: 2.0.0"]
    pub fn hb_font_funcs_set_glyph_v_kerning_func(
        ffuncs: *mut hb_font_funcs_t,
        func: hb_font_get_glyph_v_kerning_func_t,
        user_data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
    );
}
extern "C" {
    pub fn hb_font_get_glyph_v_kerning(
        font: *mut hb_font_t,
        top_glyph: hb_codepoint_t,
        bottom_glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_map_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_map_create() -> *mut hb_map_t;
}
extern "C" {
    pub fn hb_map_get_empty() -> *mut hb_map_t;
}
extern "C" {
    pub fn hb_map_reference(map: *mut hb_map_t) -> *mut hb_map_t;
}
extern "C" {
    pub fn hb_map_destroy(map: *mut hb_map_t);
}
extern "C" {
    pub fn hb_map_set_user_data(
        map: *mut hb_map_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_map_get_user_data(
        map: *mut hb_map_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_map_allocation_successful(map: *const hb_map_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_map_clear(map: *mut hb_map_t);
}
extern "C" {
    pub fn hb_map_is_empty(map: *const hb_map_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_map_get_population(map: *const hb_map_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_map_set(map: *mut hb_map_t, key: hb_codepoint_t, value: hb_codepoint_t);
}
extern "C" {
    pub fn hb_map_get(map: *const hb_map_t, key: hb_codepoint_t) -> hb_codepoint_t;
}
extern "C" {
    pub fn hb_map_del(map: *mut hb_map_t, key: hb_codepoint_t);
}
extern "C" {
    pub fn hb_map_has(map: *const hb_map_t, key: hb_codepoint_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_shape(
        font: *mut hb_font_t,
        buffer: *mut hb_buffer_t,
        features: *const hb_feature_t,
        num_features: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_shape_full(
        font: *mut hb_font_t,
        buffer: *mut hb_buffer_t,
        features: *const hb_feature_t,
        num_features: ::core::ffi::c_uint,
        shaper_list: *const *const ::core::ffi::c_char,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_shape_list_shapers() -> *mut *const ::core::ffi::c_char;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_shape_plan_t {
    _unused: [u8; 0],
}
extern "C" {
    pub fn hb_shape_plan_create(
        face: *mut hb_face_t,
        props: *const hb_segment_properties_t,
        user_features: *const hb_feature_t,
        num_user_features: ::core::ffi::c_uint,
        shaper_list: *const *const ::core::ffi::c_char,
    ) -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_create_cached(
        face: *mut hb_face_t,
        props: *const hb_segment_properties_t,
        user_features: *const hb_feature_t,
        num_user_features: ::core::ffi::c_uint,
        shaper_list: *const *const ::core::ffi::c_char,
    ) -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_create2(
        face: *mut hb_face_t,
        props: *const hb_segment_properties_t,
        user_features: *const hb_feature_t,
        num_user_features: ::core::ffi::c_uint,
        coords: *const ::core::ffi::c_int,
        num_coords: ::core::ffi::c_uint,
        shaper_list: *const *const ::core::ffi::c_char,
    ) -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_create_cached2(
        face: *mut hb_face_t,
        props: *const hb_segment_properties_t,
        user_features: *const hb_feature_t,
        num_user_features: ::core::ffi::c_uint,
        coords: *const ::core::ffi::c_int,
        num_coords: ::core::ffi::c_uint,
        shaper_list: *const *const ::core::ffi::c_char,
    ) -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_get_empty() -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_reference(shape_plan: *mut hb_shape_plan_t) -> *mut hb_shape_plan_t;
}
extern "C" {
    pub fn hb_shape_plan_destroy(shape_plan: *mut hb_shape_plan_t);
}
extern "C" {
    pub fn hb_shape_plan_set_user_data(
        shape_plan: *mut hb_shape_plan_t,
        key: *mut hb_user_data_key_t,
        data: *mut ::core::ffi::c_void,
        destroy: hb_destroy_func_t,
        replace: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_shape_plan_get_user_data(
        shape_plan: *mut hb_shape_plan_t,
        key: *mut hb_user_data_key_t,
    ) -> *mut ::core::ffi::c_void;
}
extern "C" {
    pub fn hb_shape_plan_execute(
        shape_plan: *mut hb_shape_plan_t,
        font: *mut hb_font_t,
        buffer: *mut hb_buffer_t,
        features: *const hb_feature_t,
        num_features: ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_shape_plan_get_shaper(shape_plan: *mut hb_shape_plan_t)
        -> *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_version(
        major: *mut ::core::ffi::c_uint,
        minor: *mut ::core::ffi::c_uint,
        micro: *mut ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_version_string() -> *const ::core::ffi::c_char;
}
extern "C" {
    pub fn hb_version_atleast(
        major: ::core::ffi::c_uint,
        minor: ::core::ffi::c_uint,
        micro: ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
pub type hb_ot_name_id_t = ::core::ffi::c_uint;
#[doc = " hb_ot_name_entry_t:\n @name_id: name ID\n @language: language\n\n Structure representing a name ID in a particular language.\n\n Since: 2.1.0"]
#[repr(C)]
#[derive(Copy, Clone)]
pub struct hb_ot_name_entry_t {
    pub name_id: hb_ot_name_id_t,
    pub var: hb_var_int_t,
    pub language: hb_language_t,
}
#[test]
fn bindgen_test_layout_hb_ot_name_entry_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_name_entry_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_name_entry_t>(),
        16usize,
        concat!("Size of: ", stringify!(hb_ot_name_entry_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_name_entry_t>(),
        8usize,
        concat!("Alignment of ", stringify!(hb_ot_name_entry_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).name_id) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_name_entry_t),
            "::",
            stringify!(name_id)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).var) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_name_entry_t),
            "::",
            stringify!(var)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).language) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_name_entry_t),
            "::",
            stringify!(language)
        )
    );
}
extern "C" {
    pub fn hb_ot_name_list_names(
        face: *mut hb_face_t,
        num_entries: *mut ::core::ffi::c_uint,
    ) -> *const hb_ot_name_entry_t;
}
extern "C" {
    pub fn hb_ot_name_get_utf8(
        face: *mut hb_face_t,
        name_id: hb_ot_name_id_t,
        language: hb_language_t,
        text_size: *mut ::core::ffi::c_uint,
        text: *mut ::core::ffi::c_char,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_name_get_utf16(
        face: *mut hb_face_t,
        name_id: hb_ot_name_id_t,
        language: hb_language_t,
        text_size: *mut ::core::ffi::c_uint,
        text: *mut u16,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_name_get_utf32(
        face: *mut hb_face_t,
        name_id: hb_ot_name_id_t,
        language: hb_language_t,
        text_size: *mut ::core::ffi::c_uint,
        text: *mut u32,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_color_has_palettes(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_color_palette_get_count(face: *mut hb_face_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_color_palette_get_name_id(
        face: *mut hb_face_t,
        palette_index: ::core::ffi::c_uint,
    ) -> hb_ot_name_id_t;
}
extern "C" {
    pub fn hb_ot_color_palette_color_get_name_id(
        face: *mut hb_face_t,
        color_index: ::core::ffi::c_uint,
    ) -> hb_ot_name_id_t;
}
pub const HB_OT_COLOR_PALETTE_FLAG_DEFAULT: hb_ot_color_palette_flags_t = 0;
pub const HB_OT_COLOR_PALETTE_FLAG_USABLE_WITH_LIGHT_BACKGROUND: hb_ot_color_palette_flags_t = 1;
pub const HB_OT_COLOR_PALETTE_FLAG_USABLE_WITH_DARK_BACKGROUND: hb_ot_color_palette_flags_t = 2;
#[doc = " hb_ot_color_palette_flags_t:\n @HB_OT_COLOR_PALETTE_FLAG_DEFAULT: Default indicating that there is nothing special\n   to note about a color palette.\n @HB_OT_COLOR_PALETTE_FLAG_USABLE_WITH_LIGHT_BACKGROUND: Flag indicating that the color\n   palette is appropriate to use when displaying the font on a light background such as white.\n @HB_OT_COLOR_PALETTE_FLAG_USABLE_WITH_DARK_BACKGROUND: Flag indicating that the color\n   palette is appropriate to use when displaying the font on a dark background such as black.\n\n Since: 2.1.0"]
pub type hb_ot_color_palette_flags_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_ot_color_palette_get_flags(
        face: *mut hb_face_t,
        palette_index: ::core::ffi::c_uint,
    ) -> hb_ot_color_palette_flags_t;
}
extern "C" {
    pub fn hb_ot_color_palette_get_colors(
        face: *mut hb_face_t,
        palette_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        color_count: *mut ::core::ffi::c_uint,
        colors: *mut hb_color_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_color_has_layers(face: *mut hb_face_t) -> hb_bool_t;
}
#[doc = " hb_ot_color_layer_t:\n\n Pairs of glyph and color index.\n\n Since: 2.1.0"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_ot_color_layer_t {
    pub glyph: hb_codepoint_t,
    pub color_index: ::core::ffi::c_uint,
}
#[test]
fn bindgen_test_layout_hb_ot_color_layer_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_color_layer_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_color_layer_t>(),
        8usize,
        concat!("Size of: ", stringify!(hb_ot_color_layer_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_color_layer_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_ot_color_layer_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).glyph) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_color_layer_t),
            "::",
            stringify!(glyph)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).color_index) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_color_layer_t),
            "::",
            stringify!(color_index)
        )
    );
}
extern "C" {
    pub fn hb_ot_color_glyph_get_layers(
        face: *mut hb_face_t,
        glyph: hb_codepoint_t,
        start_offset: ::core::ffi::c_uint,
        layer_count: *mut ::core::ffi::c_uint,
        layers: *mut hb_ot_color_layer_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_color_has_svg(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_color_glyph_reference_svg(
        face: *mut hb_face_t,
        glyph: hb_codepoint_t,
    ) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_ot_color_has_png(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_color_glyph_reference_png(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
    ) -> *mut hb_blob_t;
}
extern "C" {
    pub fn hb_ot_layout_table_choose_script(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_tags: *const hb_tag_t,
        script_index: *mut ::core::ffi::c_uint,
        chosen_script: *mut hb_tag_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_script_find_language(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_tag: hb_tag_t,
        language_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_tags_from_script(
        script: hb_script_t,
        script_tag_1: *mut hb_tag_t,
        script_tag_2: *mut hb_tag_t,
    );
}
extern "C" {
    pub fn hb_ot_tag_from_language(language: hb_language_t) -> hb_tag_t;
}
#[doc = " hb_ot_var_axis_t:\n\n Since: 1.4.2\n Deprecated: 2.2.0"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_ot_var_axis_t {
    pub tag: hb_tag_t,
    pub name_id: hb_ot_name_id_t,
    pub min_value: ::core::ffi::c_float,
    pub default_value: ::core::ffi::c_float,
    pub max_value: ::core::ffi::c_float,
}
#[test]
fn bindgen_test_layout_hb_ot_var_axis_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_var_axis_t> = ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_var_axis_t>(),
        20usize,
        concat!("Size of: ", stringify!(hb_ot_var_axis_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_var_axis_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_ot_var_axis_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).tag) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_t),
            "::",
            stringify!(tag)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).name_id) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_t),
            "::",
            stringify!(name_id)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).min_value) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_t),
            "::",
            stringify!(min_value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).default_value) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_t),
            "::",
            stringify!(default_value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).max_value) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_t),
            "::",
            stringify!(max_value)
        )
    );
}
extern "C" {
    pub fn hb_ot_var_get_axes(
        face: *mut hb_face_t,
        start_offset: ::core::ffi::c_uint,
        axes_count: *mut ::core::ffi::c_uint,
        axes_array: *mut hb_ot_var_axis_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_var_find_axis(
        face: *mut hb_face_t,
        axis_tag: hb_tag_t,
        axis_index: *mut ::core::ffi::c_uint,
        axis_info: *mut hb_ot_var_axis_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_font_set_funcs(font: *mut hb_font_t);
}
extern "C" {
    pub fn hb_ot_tags_from_script_and_language(
        script: hb_script_t,
        language: hb_language_t,
        script_count: *mut ::core::ffi::c_uint,
        script_tags: *mut hb_tag_t,
        language_count: *mut ::core::ffi::c_uint,
        language_tags: *mut hb_tag_t,
    );
}
extern "C" {
    pub fn hb_ot_tag_to_script(tag: hb_tag_t) -> hb_script_t;
}
extern "C" {
    pub fn hb_ot_tag_to_language(tag: hb_tag_t) -> hb_language_t;
}
extern "C" {
    pub fn hb_ot_tags_to_script_and_language(
        script_tag: hb_tag_t,
        language_tag: hb_tag_t,
        script: *mut hb_script_t,
        language: *mut hb_language_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_has_glyph_classes(face: *mut hb_face_t) -> hb_bool_t;
}
pub const HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED: hb_ot_layout_glyph_class_t = 0;
pub const HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH: hb_ot_layout_glyph_class_t = 1;
pub const HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE: hb_ot_layout_glyph_class_t = 2;
pub const HB_OT_LAYOUT_GLYPH_CLASS_MARK: hb_ot_layout_glyph_class_t = 3;
pub const HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT: hb_ot_layout_glyph_class_t = 4;
#[doc = " hb_ot_layout_glyph_class_t:\n @HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED: Glyphs not matching the other classifications\n @HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH: Spacing, single characters, capable of accepting marks\n @HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE: Glyphs that represent ligation of multiple characters\n @HB_OT_LAYOUT_GLYPH_CLASS_MARK: Non-spacing, combining glyphs that represent marks\n @HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT: Spacing glyphs that represent part of a single character\n\n The GDEF classes defined for glyphs.\n"]
pub type hb_ot_layout_glyph_class_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_ot_layout_get_glyph_class(
        face: *mut hb_face_t,
        glyph: hb_codepoint_t,
    ) -> hb_ot_layout_glyph_class_t;
}
extern "C" {
    pub fn hb_ot_layout_get_glyphs_in_class(
        face: *mut hb_face_t,
        klass: hb_ot_layout_glyph_class_t,
        glyphs: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_get_attach_points(
        face: *mut hb_face_t,
        glyph: hb_codepoint_t,
        start_offset: ::core::ffi::c_uint,
        point_count: *mut ::core::ffi::c_uint,
        point_array: *mut ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_get_ligature_carets(
        font: *mut hb_font_t,
        direction: hb_direction_t,
        glyph: hb_codepoint_t,
        start_offset: ::core::ffi::c_uint,
        caret_count: *mut ::core::ffi::c_uint,
        caret_array: *mut hb_position_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_table_get_script_tags(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        start_offset: ::core::ffi::c_uint,
        script_count: *mut ::core::ffi::c_uint,
        script_tags: *mut hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_table_find_script(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_tag: hb_tag_t,
        script_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_table_select_script(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_count: ::core::ffi::c_uint,
        script_tags: *const hb_tag_t,
        script_index: *mut ::core::ffi::c_uint,
        chosen_script: *mut hb_tag_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_table_get_feature_tags(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        start_offset: ::core::ffi::c_uint,
        feature_count: *mut ::core::ffi::c_uint,
        feature_tags: *mut hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_script_get_language_tags(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        language_count: *mut ::core::ffi::c_uint,
        language_tags: *mut hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_script_select_language(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_count: ::core::ffi::c_uint,
        language_tags: *const hb_tag_t,
        language_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_language_get_required_feature_index(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_index: ::core::ffi::c_uint,
        feature_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_language_get_required_feature(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_index: ::core::ffi::c_uint,
        feature_index: *mut ::core::ffi::c_uint,
        feature_tag: *mut hb_tag_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_language_get_feature_indexes(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        feature_count: *mut ::core::ffi::c_uint,
        feature_indexes: *mut ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_language_get_feature_tags(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        feature_count: *mut ::core::ffi::c_uint,
        feature_tags: *mut hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_language_find_feature(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        script_index: ::core::ffi::c_uint,
        language_index: ::core::ffi::c_uint,
        feature_tag: hb_tag_t,
        feature_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_feature_get_lookups(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        feature_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        lookup_count: *mut ::core::ffi::c_uint,
        lookup_indexes: *mut ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_table_get_lookup_count(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_collect_features(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        scripts: *const hb_tag_t,
        languages: *const hb_tag_t,
        features: *const hb_tag_t,
        feature_indexes: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_collect_lookups(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        scripts: *const hb_tag_t,
        languages: *const hb_tag_t,
        features: *const hb_tag_t,
        lookup_indexes: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_lookup_collect_glyphs(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        lookup_index: ::core::ffi::c_uint,
        glyphs_before: *mut hb_set_t,
        glyphs_input: *mut hb_set_t,
        glyphs_after: *mut hb_set_t,
        glyphs_output: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_table_find_feature_variations(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        coords: *const ::core::ffi::c_int,
        num_coords: ::core::ffi::c_uint,
        variations_index: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_feature_with_variations_get_lookups(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        feature_index: ::core::ffi::c_uint,
        variations_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        lookup_count: *mut ::core::ffi::c_uint,
        lookup_indexes: *mut ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_has_substitution(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_lookup_get_glyph_alternates(
        face: *mut hb_face_t,
        lookup_index: ::core::ffi::c_uint,
        glyph: hb_codepoint_t,
        start_offset: ::core::ffi::c_uint,
        alternate_count: *mut ::core::ffi::c_uint,
        alternate_glyphs: *mut hb_codepoint_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_layout_lookup_would_substitute(
        face: *mut hb_face_t,
        lookup_index: ::core::ffi::c_uint,
        glyphs: *const hb_codepoint_t,
        glyphs_length: ::core::ffi::c_uint,
        zero_context: hb_bool_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_lookup_substitute_closure(
        face: *mut hb_face_t,
        lookup_index: ::core::ffi::c_uint,
        glyphs: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_lookups_substitute_closure(
        face: *mut hb_face_t,
        lookups: *const hb_set_t,
        glyphs: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_layout_has_positioning(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_get_size_params(
        face: *mut hb_face_t,
        design_size: *mut ::core::ffi::c_uint,
        subfamily_id: *mut ::core::ffi::c_uint,
        subfamily_name_id: *mut hb_ot_name_id_t,
        range_start: *mut ::core::ffi::c_uint,
        range_end: *mut ::core::ffi::c_uint,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_feature_get_name_ids(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        feature_index: ::core::ffi::c_uint,
        label_id: *mut hb_ot_name_id_t,
        tooltip_id: *mut hb_ot_name_id_t,
        sample_id: *mut hb_ot_name_id_t,
        num_named_parameters: *mut ::core::ffi::c_uint,
        first_param_id: *mut hb_ot_name_id_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_layout_feature_get_characters(
        face: *mut hb_face_t,
        table_tag: hb_tag_t,
        feature_index: ::core::ffi::c_uint,
        start_offset: ::core::ffi::c_uint,
        char_count: *mut ::core::ffi::c_uint,
        characters: *mut hb_codepoint_t,
    ) -> ::core::ffi::c_uint;
}
pub const HB_OT_LAYOUT_BASELINE_TAG_ROMAN: hb_ot_layout_baseline_tag_t = 1919905134;
pub const HB_OT_LAYOUT_BASELINE_TAG_HANGING: hb_ot_layout_baseline_tag_t = 1751215719;
pub const HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT: hb_ot_layout_baseline_tag_t =
    1768121954;
pub const HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_TOP_OR_RIGHT: hb_ot_layout_baseline_tag_t =
    1768121972;
pub const HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_BOTTOM_OR_LEFT: hb_ot_layout_baseline_tag_t =
    1768187247;
pub const HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT: hb_ot_layout_baseline_tag_t =
    1768191088;
pub const HB_OT_LAYOUT_BASELINE_TAG_MATH: hb_ot_layout_baseline_tag_t = 1835103336;
pub const _HB_OT_LAYOUT_BASELINE_TAG_MAX_VALUE: hb_ot_layout_baseline_tag_t = 2147483647;
#[doc = " hb_ot_layout_baseline_tag_t:\n @HB_OT_LAYOUT_BASELINE_TAG_ROMAN: The baseline used by alphabetic scripts such as Latin, Cyrillic and Greek.\n In vertical writing mode, the alphabetic baseline for characters rotated 90 degrees clockwise.\n (This would not apply to alphabetic characters that remain upright in vertical writing mode, since these\n characters are not rotated.)\n @HB_OT_LAYOUT_BASELINE_TAG_HANGING: The hanging baseline. In horizontal direction, this is the horizontal\n line from which syllables seem, to hang in Tibetan and other similar scripts. In vertical writing mode,\n for Tibetan (or some other similar script) characters rotated 90 degrees clockwise.\n @HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT: Ideographic character face bottom or left edge,\n if the direction is horizontal or vertical, respectively.\n @HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_TOP_OR_RIGHT: Ideographic character face top or right edge,\n if the direction is horizontal or vertical, respectively.\n @HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_BOTTOM_OR_LEFT: Ideographic em-box bottom or left edge,\n if the direction is horizontal or vertical, respectively.\n @HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT: Ideographic em-box top or right edge baseline,\n if the direction is horizontal or vertical, respectively.\n @HB_OT_LAYOUT_BASELINE_TAG_MATH: The baseline about which mathematical characters are centered.\n In vertical writing mode when mathematical characters rotated 90 degrees clockwise, are centered.\n\n Baseline tags from https://docs.microsoft.com/en-us/typography/opentype/spec/baselinetags\n\n Since: 2.6.0"]
pub type hb_ot_layout_baseline_tag_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_ot_layout_get_baseline(
        font: *mut hb_font_t,
        baseline_tag: hb_ot_layout_baseline_tag_t,
        direction: hb_direction_t,
        script_tag: hb_tag_t,
        language_tag: hb_tag_t,
        coord: *mut hb_position_t,
    ) -> hb_bool_t;
}
pub const HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN: hb_ot_math_constant_t = 0;
pub const HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN: hb_ot_math_constant_t = 1;
pub const HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT: hb_ot_math_constant_t = 2;
pub const HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT: hb_ot_math_constant_t = 3;
pub const HB_OT_MATH_CONSTANT_MATH_LEADING: hb_ot_math_constant_t = 4;
pub const HB_OT_MATH_CONSTANT_AXIS_HEIGHT: hb_ot_math_constant_t = 5;
pub const HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT: hb_ot_math_constant_t = 6;
pub const HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT: hb_ot_math_constant_t = 7;
pub const HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN: hb_ot_math_constant_t = 8;
pub const HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX: hb_ot_math_constant_t = 9;
pub const HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN: hb_ot_math_constant_t = 10;
pub const HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP: hb_ot_math_constant_t = 11;
pub const HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED: hb_ot_math_constant_t = 12;
pub const HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN: hb_ot_math_constant_t = 13;
pub const HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX: hb_ot_math_constant_t = 14;
pub const HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN: hb_ot_math_constant_t = 15;
pub const HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT: hb_ot_math_constant_t = 16;
pub const HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT: hb_ot_math_constant_t = 17;
pub const HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN: hb_ot_math_constant_t = 18;
pub const HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN: hb_ot_math_constant_t = 19;
pub const HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN: hb_ot_math_constant_t = 20;
pub const HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN: hb_ot_math_constant_t = 21;
pub const HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP: hb_ot_math_constant_t = 22;
pub const HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP: hb_ot_math_constant_t = 23;
pub const HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN: hb_ot_math_constant_t = 24;
pub const HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN: hb_ot_math_constant_t = 25;
pub const HB_OT_MATH_CONSTANT_STACK_GAP_MIN: hb_ot_math_constant_t = 26;
pub const HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN: hb_ot_math_constant_t = 27;
pub const HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP: hb_ot_math_constant_t = 28;
pub const HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN: hb_ot_math_constant_t = 29;
pub const HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN: hb_ot_math_constant_t = 30;
pub const HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN: hb_ot_math_constant_t = 31;
pub const HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP: hb_ot_math_constant_t = 32;
pub const HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP: hb_ot_math_constant_t = 33;
pub const HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN: hb_ot_math_constant_t = 34;
pub const HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN: hb_ot_math_constant_t =
    35;
pub const HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN: hb_ot_math_constant_t = 36;
pub const HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN: hb_ot_math_constant_t = 37;
pub const HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS: hb_ot_math_constant_t = 38;
pub const HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN: hb_ot_math_constant_t = 39;
pub const HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN: hb_ot_math_constant_t = 40;
pub const HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP: hb_ot_math_constant_t = 41;
pub const HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP: hb_ot_math_constant_t = 42;
pub const HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP: hb_ot_math_constant_t = 43;
pub const HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS: hb_ot_math_constant_t = 44;
pub const HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER: hb_ot_math_constant_t = 45;
pub const HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP: hb_ot_math_constant_t = 46;
pub const HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS: hb_ot_math_constant_t = 47;
pub const HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER: hb_ot_math_constant_t = 48;
pub const HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP: hb_ot_math_constant_t = 49;
pub const HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP: hb_ot_math_constant_t = 50;
pub const HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS: hb_ot_math_constant_t = 51;
pub const HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER: hb_ot_math_constant_t = 52;
pub const HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE: hb_ot_math_constant_t = 53;
pub const HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE: hb_ot_math_constant_t = 54;
pub const HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT: hb_ot_math_constant_t = 55;
#[doc = " hb_ot_math_constant_t:\n\n The 'MATH' table constants specified at\n https://docs.microsoft.com/en-us/typography/opentype/spec/math\n\n Since: 1.3.3"]
pub type hb_ot_math_constant_t = ::core::ffi::c_uint;
pub const HB_OT_MATH_KERN_TOP_RIGHT: hb_ot_math_kern_t = 0;
pub const HB_OT_MATH_KERN_TOP_LEFT: hb_ot_math_kern_t = 1;
pub const HB_OT_MATH_KERN_BOTTOM_RIGHT: hb_ot_math_kern_t = 2;
pub const HB_OT_MATH_KERN_BOTTOM_LEFT: hb_ot_math_kern_t = 3;
#[doc = " hb_ot_math_kern_t:\n\n The math kerning-table types defined for the four corners\n of a glyph.\n\n Since: 1.3.3"]
pub type hb_ot_math_kern_t = ::core::ffi::c_uint;
#[doc = " hb_ot_math_glyph_variant_t:\n @glyph: The glyph index of the variant\n @advance: The advance width of the variant\n\n Data type to hold math-variant information for a glyph.\n\n Since: 1.3.3"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_ot_math_glyph_variant_t {
    pub glyph: hb_codepoint_t,
    pub advance: hb_position_t,
}
#[test]
fn bindgen_test_layout_hb_ot_math_glyph_variant_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_math_glyph_variant_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_math_glyph_variant_t>(),
        8usize,
        concat!("Size of: ", stringify!(hb_ot_math_glyph_variant_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_math_glyph_variant_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_ot_math_glyph_variant_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).glyph) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_variant_t),
            "::",
            stringify!(glyph)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).advance) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_variant_t),
            "::",
            stringify!(advance)
        )
    );
}
pub const HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER: hb_ot_math_glyph_part_flags_t = 1;
#[doc = " hb_ot_math_glyph_part_flags_t:\n\n Flags for math glyph parts.\n\n Since: 1.3.3"]
pub type hb_ot_math_glyph_part_flags_t = ::core::ffi::c_uint;
#[doc = " hb_ot_math_glyph_part_t:\n @glyph: The glyph index of the variant part\n @start_connector_length: The length of the connector on the starting side of the variant part\n @end_connector_length: The length of the connector on the ending side of the variant part\n @full_advance: The total advance of the part\n @flags: #hb_ot_math_glyph_part_flags_t flags for the part\n\n Data type to hold information for a \"part\" component of a math-variant glyph.\n Large variants for stretchable math glyphs (such as parentheses) can be constructed\n on the fly from parts.\n\n Since: 1.3.3"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_ot_math_glyph_part_t {
    pub glyph: hb_codepoint_t,
    pub start_connector_length: hb_position_t,
    pub end_connector_length: hb_position_t,
    pub full_advance: hb_position_t,
    pub flags: hb_ot_math_glyph_part_flags_t,
}
#[test]
fn bindgen_test_layout_hb_ot_math_glyph_part_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_math_glyph_part_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_math_glyph_part_t>(),
        20usize,
        concat!("Size of: ", stringify!(hb_ot_math_glyph_part_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_math_glyph_part_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_ot_math_glyph_part_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).glyph) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_part_t),
            "::",
            stringify!(glyph)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).start_connector_length) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_part_t),
            "::",
            stringify!(start_connector_length)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).end_connector_length) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_part_t),
            "::",
            stringify!(end_connector_length)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).full_advance) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_part_t),
            "::",
            stringify!(full_advance)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).flags) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_math_glyph_part_t),
            "::",
            stringify!(flags)
        )
    );
}
extern "C" {
    pub fn hb_ot_math_has_data(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_math_get_constant(
        font: *mut hb_font_t,
        constant: hb_ot_math_constant_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_math_get_glyph_italics_correction(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_math_get_glyph_top_accent_attachment(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_math_is_glyph_extended_shape(
        face: *mut hb_face_t,
        glyph: hb_codepoint_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_math_get_glyph_kerning(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        kern: hb_ot_math_kern_t,
        correction_height: hb_position_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_math_get_glyph_variants(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        start_offset: ::core::ffi::c_uint,
        variants_count: *mut ::core::ffi::c_uint,
        variants: *mut hb_ot_math_glyph_variant_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_math_get_min_connector_overlap(
        font: *mut hb_font_t,
        direction: hb_direction_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_math_get_glyph_assembly(
        font: *mut hb_font_t,
        glyph: hb_codepoint_t,
        direction: hb_direction_t,
        start_offset: ::core::ffi::c_uint,
        parts_count: *mut ::core::ffi::c_uint,
        parts: *mut hb_ot_math_glyph_part_t,
        italics_correction: *mut hb_position_t,
    ) -> ::core::ffi::c_uint;
}
pub const HB_OT_META_TAG_DESIGN_LANGUAGES: hb_ot_meta_tag_t = 1684827751;
pub const HB_OT_META_TAG_SUPPORTED_LANGUAGES: hb_ot_meta_tag_t = 1936485991;
pub const _HB_OT_META_TAG_MAX_VALUE: hb_ot_meta_tag_t = 2147483647;
#[doc = " hb_ot_meta_tag_t:\n @HB_OT_META_TAG_DESIGN_LANGUAGES: Design languages. Text, using only\n Basic Latin (ASCII) characters. Indicates languages and/or scripts\n for the user audiences that the font was primarily designed for.\n @HB_OT_META_TAG_SUPPORTED_LANGUAGES: Supported languages. Text, using\n only Basic Latin (ASCII) characters. Indicates languages and/or scripts\n that the font is declared to be capable of supporting.\n\n Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta\n\n Since: 2.6.0"]
pub type hb_ot_meta_tag_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_ot_meta_get_entry_tags(
        face: *mut hb_face_t,
        start_offset: ::core::ffi::c_uint,
        entries_count: *mut ::core::ffi::c_uint,
        entries: *mut hb_ot_meta_tag_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_meta_reference_entry(
        face: *mut hb_face_t,
        meta_tag: hb_ot_meta_tag_t,
    ) -> *mut hb_blob_t;
}
pub const HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER: hb_ot_metrics_tag_t = 1751216995;
pub const HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER: hb_ot_metrics_tag_t = 1751413603;
pub const HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP: hb_ot_metrics_tag_t = 1751934832;
pub const HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT: hb_ot_metrics_tag_t = 1751346273;
pub const HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT: hb_ot_metrics_tag_t = 1751346276;
pub const HB_OT_METRICS_TAG_VERTICAL_ASCENDER: hb_ot_metrics_tag_t = 1986098019;
pub const HB_OT_METRICS_TAG_VERTICAL_DESCENDER: hb_ot_metrics_tag_t = 1986294627;
pub const HB_OT_METRICS_TAG_VERTICAL_LINE_GAP: hb_ot_metrics_tag_t = 1986815856;
pub const HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE: hb_ot_metrics_tag_t = 1751347827;
pub const HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN: hb_ot_metrics_tag_t = 1751347822;
pub const HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET: hb_ot_metrics_tag_t = 1751347046;
pub const HB_OT_METRICS_TAG_VERTICAL_CARET_RISE: hb_ot_metrics_tag_t = 1986228851;
pub const HB_OT_METRICS_TAG_VERTICAL_CARET_RUN: hb_ot_metrics_tag_t = 1986228846;
pub const HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET: hb_ot_metrics_tag_t = 1986228070;
pub const HB_OT_METRICS_TAG_X_HEIGHT: hb_ot_metrics_tag_t = 2020108148;
pub const HB_OT_METRICS_TAG_CAP_HEIGHT: hb_ot_metrics_tag_t = 1668311156;
pub const HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE: hb_ot_metrics_tag_t = 1935833203;
pub const HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE: hb_ot_metrics_tag_t = 1935833459;
pub const HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET: hb_ot_metrics_tag_t = 1935833199;
pub const HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET: hb_ot_metrics_tag_t = 1935833455;
pub const HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE: hb_ot_metrics_tag_t = 1936750707;
pub const HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE: hb_ot_metrics_tag_t = 1936750963;
pub const HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET: hb_ot_metrics_tag_t = 1936750703;
pub const HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET: hb_ot_metrics_tag_t = 1936750959;
pub const HB_OT_METRICS_TAG_STRIKEOUT_SIZE: hb_ot_metrics_tag_t = 1937011315;
pub const HB_OT_METRICS_TAG_STRIKEOUT_OFFSET: hb_ot_metrics_tag_t = 1937011311;
pub const HB_OT_METRICS_TAG_UNDERLINE_SIZE: hb_ot_metrics_tag_t = 1970168947;
pub const HB_OT_METRICS_TAG_UNDERLINE_OFFSET: hb_ot_metrics_tag_t = 1970168943;
pub const _HB_OT_METRICS_TAG_MAX_VALUE: hb_ot_metrics_tag_t = 2147483647;
#[doc = " hb_ot_metrics_tag_t:\n @HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER: horizontal ascender.\n @HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER: horizontal descender.\n @HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP: horizontal line gap.\n @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT: horizontal clipping ascent.\n @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT: horizontal clipping descent.\n @HB_OT_METRICS_TAG_VERTICAL_ASCENDER: vertical ascender.\n @HB_OT_METRICS_TAG_VERTICAL_DESCENDER: vertical descender.\n @HB_OT_METRICS_TAG_VERTICAL_LINE_GAP: vertical line gap.\n @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE: horizontal caret rise.\n @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN: horizontal caret run.\n @HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET: horizontal caret offset.\n @HB_OT_METRICS_TAG_VERTICAL_CARET_RISE: vertical caret rise.\n @HB_OT_METRICS_TAG_VERTICAL_CARET_RUN: vertical caret run.\n @HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET: vertical caret offset.\n @HB_OT_METRICS_TAG_X_HEIGHT: x height.\n @HB_OT_METRICS_TAG_CAP_HEIGHT: cap height.\n @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE: subscript em x size.\n @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE: subscript em y size.\n @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET: subscript em x offset.\n @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET: subscript em y offset.\n @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE: superscript em x size.\n @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE: superscript em y size.\n @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET: superscript em x offset.\n @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET: superscript em y offset.\n @HB_OT_METRICS_TAG_STRIKEOUT_SIZE: strikeout size.\n @HB_OT_METRICS_TAG_STRIKEOUT_OFFSET: strikeout offset.\n @HB_OT_METRICS_TAG_UNDERLINE_SIZE: underline size.\n @HB_OT_METRICS_TAG_UNDERLINE_OFFSET: underline offset.\n\n From https://docs.microsoft.com/en-us/typography/opentype/spec/mvar#value-tags\n\n Since: 2.6.0"]
pub type hb_ot_metrics_tag_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_ot_metrics_get_position(
        font: *mut hb_font_t,
        metrics_tag: hb_ot_metrics_tag_t,
        position: *mut hb_position_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_metrics_get_variation(
        font: *mut hb_font_t,
        metrics_tag: hb_ot_metrics_tag_t,
    ) -> ::core::ffi::c_float;
}
extern "C" {
    pub fn hb_ot_metrics_get_x_variation(
        font: *mut hb_font_t,
        metrics_tag: hb_ot_metrics_tag_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_metrics_get_y_variation(
        font: *mut hb_font_t,
        metrics_tag: hb_ot_metrics_tag_t,
    ) -> hb_position_t;
}
extern "C" {
    pub fn hb_ot_shape_glyphs_closure(
        font: *mut hb_font_t,
        buffer: *mut hb_buffer_t,
        features: *const hb_feature_t,
        num_features: ::core::ffi::c_uint,
        glyphs: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_shape_plan_collect_lookups(
        shape_plan: *mut hb_shape_plan_t,
        table_tag: hb_tag_t,
        lookup_indexes: *mut hb_set_t,
    );
}
extern "C" {
    pub fn hb_ot_var_has_data(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_var_get_axis_count(face: *mut hb_face_t) -> ::core::ffi::c_uint;
}
pub const HB_OT_VAR_AXIS_FLAG_HIDDEN: hb_ot_var_axis_flags_t = 1;
pub const _HB_OT_VAR_AXIS_FLAG_MAX_VALUE: hb_ot_var_axis_flags_t = 2147483647;
#[doc = " hb_ot_var_axis_flags_t:\n @HB_OT_VAR_AXIS_FLAG_HIDDEN: The axis should not be exposed directly in user interfaces.\n\n Since: 2.2.0"]
pub type hb_ot_var_axis_flags_t = ::core::ffi::c_uint;
#[doc = " hb_ot_var_axis_info_t:\n @axis_index: Index of the axis in the variation-axis array\n @tag: The #hb_tag_t tag identifying the design variation of the axis\n @name_id: The `name` table Name ID that provides display names for the axis\n @flags: The #hb_ot_var_axis_flags_t flags for the axis\n @min_value: The mininum value on the variation axis that the font covers\n @default_value: The position on the variation axis corresponding to the font's defaults\n @max_value: The maximum value on the variation axis that the font covers\n\n Data type for holding variation-axis values.\n\n The minimum, default, and maximum values are in un-normalized, user scales.\n\n <note>Note: at present, the only flag defined for @flags is\n #HB_OT_VAR_AXIS_FLAG_HIDDEN.</note>\n\n Since: 2.2.0"]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_ot_var_axis_info_t {
    pub axis_index: ::core::ffi::c_uint,
    pub tag: hb_tag_t,
    pub name_id: hb_ot_name_id_t,
    pub flags: hb_ot_var_axis_flags_t,
    pub min_value: ::core::ffi::c_float,
    pub default_value: ::core::ffi::c_float,
    pub max_value: ::core::ffi::c_float,
    pub reserved: ::core::ffi::c_uint,
}
#[test]
fn bindgen_test_layout_hb_ot_var_axis_info_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_ot_var_axis_info_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_ot_var_axis_info_t>(),
        32usize,
        concat!("Size of: ", stringify!(hb_ot_var_axis_info_t))
    );
    assert_eq!(
        ::core::mem::align_of::<hb_ot_var_axis_info_t>(),
        4usize,
        concat!("Alignment of ", stringify!(hb_ot_var_axis_info_t))
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).axis_index) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(axis_index)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).tag) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(tag)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).name_id) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(name_id)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).flags) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(flags)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).min_value) as usize - ptr as usize },
        16usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(min_value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).default_value) as usize - ptr as usize },
        20usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(default_value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).max_value) as usize - ptr as usize },
        24usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(max_value)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved) as usize - ptr as usize },
        28usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_ot_var_axis_info_t),
            "::",
            stringify!(reserved)
        )
    );
}
extern "C" {
    pub fn hb_ot_var_get_axis_infos(
        face: *mut hb_face_t,
        start_offset: ::core::ffi::c_uint,
        axes_count: *mut ::core::ffi::c_uint,
        axes_array: *mut hb_ot_var_axis_info_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_var_find_axis_info(
        face: *mut hb_face_t,
        axis_tag: hb_tag_t,
        axis_info: *mut hb_ot_var_axis_info_t,
    ) -> hb_bool_t;
}
extern "C" {
    pub fn hb_ot_var_get_named_instance_count(face: *mut hb_face_t) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_var_named_instance_get_subfamily_name_id(
        face: *mut hb_face_t,
        instance_index: ::core::ffi::c_uint,
    ) -> hb_ot_name_id_t;
}
extern "C" {
    pub fn hb_ot_var_named_instance_get_postscript_name_id(
        face: *mut hb_face_t,
        instance_index: ::core::ffi::c_uint,
    ) -> hb_ot_name_id_t;
}
extern "C" {
    pub fn hb_ot_var_named_instance_get_design_coords(
        face: *mut hb_face_t,
        instance_index: ::core::ffi::c_uint,
        coords_length: *mut ::core::ffi::c_uint,
        coords: *mut ::core::ffi::c_float,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_ot_var_normalize_variations(
        face: *mut hb_face_t,
        variations: *const hb_variation_t,
        variations_length: ::core::ffi::c_uint,
        coords: *mut ::core::ffi::c_int,
        coords_length: ::core::ffi::c_uint,
    );
}
extern "C" {
    pub fn hb_ot_var_normalize_coords(
        face: *mut hb_face_t,
        coords_length: ::core::ffi::c_uint,
        design_coords: *const ::core::ffi::c_float,
        normalized_coords: *mut ::core::ffi::c_int,
    );
}
pub const HB_AAT_LAYOUT_FEATURE_TYPE_INVALID: hb_aat_layout_feature_type_t = 65535;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC: hb_aat_layout_feature_type_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES: hb_aat_layout_feature_type_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION: hb_aat_layout_feature_type_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE: hb_aat_layout_feature_type_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION: hb_aat_layout_feature_type_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT: hb_aat_layout_feature_type_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING: hb_aat_layout_feature_type_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE: hb_aat_layout_feature_type_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE: hb_aat_layout_feature_type_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION: hb_aat_layout_feature_type_t = 10;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS: hb_aat_layout_feature_type_t = 11;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE: hb_aat_layout_feature_type_t = 13;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS: hb_aat_layout_feature_type_t = 14;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS: hb_aat_layout_feature_type_t = 15;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE: hb_aat_layout_feature_type_t = 16;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES: hb_aat_layout_feature_type_t = 17;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE: hb_aat_layout_feature_type_t = 18;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS: hb_aat_layout_feature_type_t = 19;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE: hb_aat_layout_feature_type_t = 20;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE: hb_aat_layout_feature_type_t = 21;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING: hb_aat_layout_feature_type_t = 22;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION: hb_aat_layout_feature_type_t = 23;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE: hb_aat_layout_feature_type_t = 24;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE: hb_aat_layout_feature_type_t = 25;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE: hb_aat_layout_feature_type_t = 26;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE: hb_aat_layout_feature_type_t = 27;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA: hb_aat_layout_feature_type_t = 28;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE: hb_aat_layout_feature_type_t =
    29;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE: hb_aat_layout_feature_type_t =
    30;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE:
    hb_aat_layout_feature_type_t = 31;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN: hb_aat_layout_feature_type_t = 32;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT: hb_aat_layout_feature_type_t = 33;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA: hb_aat_layout_feature_type_t = 34;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES: hb_aat_layout_feature_type_t = 35;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES: hb_aat_layout_feature_type_t = 36;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE: hb_aat_layout_feature_type_t = 37;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE: hb_aat_layout_feature_type_t = 38;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE: hb_aat_layout_feature_type_t = 39;
pub const HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE: hb_aat_layout_feature_type_t = 103;
pub const _HB_AAT_LAYOUT_FEATURE_TYPE_MAX_VALUE: hb_aat_layout_feature_type_t = 2147483647;
#[doc = " hb_aat_layout_feature_type_t:\n @HB_AAT_LAYOUT_FEATURE_TYPE_INVALID: Initial, unset feature type\n @HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC:\n @HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION:\n @HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION:\n @HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT:\n @HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING:\n @HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION:\n @HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS:\n @HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS:\n @HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS:\n @HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES:\n @HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING:\n @HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION:\n @HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT:\n @HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA:\n @HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES:\n @HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE:\n @HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE:\n\n The possible feature types defined for AAT shaping.\n\n Since: 2.2.0"]
pub type hb_aat_layout_feature_type_t = ::core::ffi::c_uint;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID: hb_aat_layout_feature_selector_t = 65535;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF: hb_aat_layout_feature_selector_t = 7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF: hb_aat_layout_feature_selector_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF: hb_aat_layout_feature_selector_t =
    11;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    12;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF: hb_aat_layout_feature_selector_t =
    13;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON:
    hb_aat_layout_feature_selector_t = 14;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF:
    hb_aat_layout_feature_selector_t = 15;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON: hb_aat_layout_feature_selector_t = 16;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF: hb_aat_layout_feature_selector_t =
    17;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    18;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF:
    hb_aat_layout_feature_selector_t = 19;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    20;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF:
    hb_aat_layout_feature_selector_t = 21;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS:
    hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON: hb_aat_layout_feature_selector_t =
    4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF:
    hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON: hb_aat_layout_feature_selector_t =
    6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF: hb_aat_layout_feature_selector_t =
    7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF: hb_aat_layout_feature_selector_t =
    9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF: hb_aat_layout_feature_selector_t = 7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF: hb_aat_layout_feature_selector_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON: hb_aat_layout_feature_selector_t =
    10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF: hb_aat_layout_feature_selector_t =
    11;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF:
    hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON: hb_aat_layout_feature_selector_t =
    6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF:
    hb_aat_layout_feature_selector_t = 7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF: hb_aat_layout_feature_selector_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON: hb_aat_layout_feature_selector_t =
    10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF: hb_aat_layout_feature_selector_t =
    11;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS: hb_aat_layout_feature_selector_t =
    5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE: hb_aat_layout_feature_selector_t =
    7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE: hb_aat_layout_feature_selector_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS: hb_aat_layout_feature_selector_t = 10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS: hb_aat_layout_feature_selector_t = 11;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS: hb_aat_layout_feature_selector_t = 12;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS: hb_aat_layout_feature_selector_t = 13;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS:
    hb_aat_layout_feature_selector_t = 14;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT: hb_aat_layout_feature_selector_t =
    5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA:
    hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA:
    hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE: hb_aat_layout_feature_selector_t =
    7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO: hb_aat_layout_feature_selector_t =
    8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE:
    hb_aat_layout_feature_selector_t = 9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION:
    hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION: hb_aat_layout_feature_selector_t =
    5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION: hb_aat_layout_feature_selector_t = 6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION:
    hb_aat_layout_feature_selector_t = 7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION: hb_aat_layout_feature_selector_t = 8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION: hb_aat_layout_feature_selector_t =
    9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION:
    hb_aat_layout_feature_selector_t = 10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON:
    hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF:
    hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON:
    hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF:
    hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE: hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN: hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON:
    hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF:
    hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES: hb_aat_layout_feature_selector_t =
    0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF: hb_aat_layout_feature_selector_t =
    3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON: hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF: hb_aat_layout_feature_selector_t =
    5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON: hb_aat_layout_feature_selector_t =
    6;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF: hb_aat_layout_feature_selector_t =
    7;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON: hb_aat_layout_feature_selector_t =
    8;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF: hb_aat_layout_feature_selector_t =
    9;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON: hb_aat_layout_feature_selector_t =
    10;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF: hb_aat_layout_feature_selector_t =
    11;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON: hb_aat_layout_feature_selector_t =
    12;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF: hb_aat_layout_feature_selector_t =
    13;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON: hb_aat_layout_feature_selector_t =
    14;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF: hb_aat_layout_feature_selector_t =
    15;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON: hb_aat_layout_feature_selector_t =
    16;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF: hb_aat_layout_feature_selector_t =
    17;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON: hb_aat_layout_feature_selector_t =
    18;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF: hb_aat_layout_feature_selector_t =
    19;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON: hb_aat_layout_feature_selector_t =
    20;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF: hb_aat_layout_feature_selector_t =
    21;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON: hb_aat_layout_feature_selector_t =
    22;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF:
    hb_aat_layout_feature_selector_t = 23;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON: hb_aat_layout_feature_selector_t =
    24;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF:
    hb_aat_layout_feature_selector_t = 25;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON:
    hb_aat_layout_feature_selector_t = 26;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF:
    hb_aat_layout_feature_selector_t = 27;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON:
    hb_aat_layout_feature_selector_t = 28;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF:
    hb_aat_layout_feature_selector_t = 29;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON:
    hb_aat_layout_feature_selector_t = 30;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF:
    hb_aat_layout_feature_selector_t = 31;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON:
    hb_aat_layout_feature_selector_t = 32;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF:
    hb_aat_layout_feature_selector_t = 33;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON:
    hb_aat_layout_feature_selector_t = 34;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF:
    hb_aat_layout_feature_selector_t = 35;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON:
    hb_aat_layout_feature_selector_t = 36;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF:
    hb_aat_layout_feature_selector_t = 37;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON:
    hb_aat_layout_feature_selector_t = 38;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF:
    hb_aat_layout_feature_selector_t = 39;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON: hb_aat_layout_feature_selector_t =
    40;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF:
    hb_aat_layout_feature_selector_t = 41;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON:
    hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF:
    hb_aat_layout_feature_selector_t = 1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF: hb_aat_layout_feature_selector_t = 3;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON:
    hb_aat_layout_feature_selector_t = 4;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF:
    hb_aat_layout_feature_selector_t = 5;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS: hb_aat_layout_feature_selector_t =
    2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN: hb_aat_layout_feature_selector_t = 0;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN: hb_aat_layout_feature_selector_t =
    1;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN: hb_aat_layout_feature_selector_t = 2;
pub const HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN: hb_aat_layout_feature_selector_t = 3;
pub const _HB_AAT_LAYOUT_FEATURE_SELECTOR_MAX_VALUE: hb_aat_layout_feature_selector_t = 2147483647;
#[doc = " hb_aat_layout_feature_selector_t:\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID: Initial, unset feature selector\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS: Deprecated\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF instead\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON instead\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF instead\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON instead\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE\n @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE\n\n The selectors defined for specifying AAT feature settings.\n\n Since: 2.2.0"]
pub type hb_aat_layout_feature_selector_t = ::core::ffi::c_uint;
extern "C" {
    pub fn hb_aat_layout_get_feature_types(
        face: *mut hb_face_t,
        start_offset: ::core::ffi::c_uint,
        feature_count: *mut ::core::ffi::c_uint,
        features: *mut hb_aat_layout_feature_type_t,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_aat_layout_feature_type_get_name_id(
        face: *mut hb_face_t,
        feature_type: hb_aat_layout_feature_type_t,
    ) -> hb_ot_name_id_t;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct hb_aat_layout_feature_selector_info_t {
    pub name_id: hb_ot_name_id_t,
    pub enable: hb_aat_layout_feature_selector_t,
    pub disable: hb_aat_layout_feature_selector_t,
    pub reserved: ::core::ffi::c_uint,
}
#[test]
fn bindgen_test_layout_hb_aat_layout_feature_selector_info_t() {
    const UNINIT: ::core::mem::MaybeUninit<hb_aat_layout_feature_selector_info_t> =
        ::core::mem::MaybeUninit::uninit();
    let ptr = UNINIT.as_ptr();
    assert_eq!(
        ::core::mem::size_of::<hb_aat_layout_feature_selector_info_t>(),
        16usize,
        concat!(
            "Size of: ",
            stringify!(hb_aat_layout_feature_selector_info_t)
        )
    );
    assert_eq!(
        ::core::mem::align_of::<hb_aat_layout_feature_selector_info_t>(),
        4usize,
        concat!(
            "Alignment of ",
            stringify!(hb_aat_layout_feature_selector_info_t)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).name_id) as usize - ptr as usize },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_aat_layout_feature_selector_info_t),
            "::",
            stringify!(name_id)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).enable) as usize - ptr as usize },
        4usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_aat_layout_feature_selector_info_t),
            "::",
            stringify!(enable)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).disable) as usize - ptr as usize },
        8usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_aat_layout_feature_selector_info_t),
            "::",
            stringify!(disable)
        )
    );
    assert_eq!(
        unsafe { ::core::ptr::addr_of!((*ptr).reserved) as usize - ptr as usize },
        12usize,
        concat!(
            "Offset of field: ",
            stringify!(hb_aat_layout_feature_selector_info_t),
            "::",
            stringify!(reserved)
        )
    );
}
extern "C" {
    pub fn hb_aat_layout_feature_type_get_selector_infos(
        face: *mut hb_face_t,
        feature_type: hb_aat_layout_feature_type_t,
        start_offset: ::core::ffi::c_uint,
        selector_count: *mut ::core::ffi::c_uint,
        selectors: *mut hb_aat_layout_feature_selector_info_t,
        default_index: *mut ::core::ffi::c_uint,
    ) -> ::core::ffi::c_uint;
}
extern "C" {
    pub fn hb_aat_layout_has_substitution(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_aat_layout_has_positioning(face: *mut hb_face_t) -> hb_bool_t;
}
extern "C" {
    pub fn hb_aat_layout_has_tracking(face: *mut hb_face_t) -> hb_bool_t;
}