pub type GLDEBUGPROC = Option<extern "system" fn(source: c_uint, gltype: c_uint, id: c_uint, severity: c_uint, length: c_int, message: *const c_char, userParam: *mut c_void)>;Aliased Type§
pub enum GLDEBUGPROC {
None,
Some(extern "system" fn(u32, u32, u32, u32, i32, *const i8, *mut c_void)),
}