pub type PFNGLACQUIREKEYEDMUTEXWIN32EXTPROC = Option<unsafe extern "C" fn(memory: GLuint, key: GLuint64, timeout: GLuint) -> GLboolean>;Aliased Type§
enum PFNGLACQUIREKEYEDMUTEXWIN32EXTPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u64, _: u32) -> u8),
}