Function harfbuzz_sys::hb_ot_math_get_glyph_variants

pub unsafe extern "C" fn hb_ot_math_get_glyph_variants(
    font: *mut hb_font_t,
    glyph: hb_codepoint_t,
    direction: hb_direction_t,
    start_offset: c_uint,
    variants_count: *mut c_uint,
    variants: *mut hb_ot_math_glyph_variant_t,
) -> c_uint