pub type PFNGLGETNMAPIVARBPROC = Option<unsafe extern "C" fn(target: GLenum, query: GLenum, bufSize: GLsizei, v: *mut GLint)>;Aliased Type§
enum PFNGLGETNMAPIVARBPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: i32, _: *mut i32)),
}