pub type PFNGLGETTRACKMATRIXIVNVPROC = Option<unsafe extern "C" fn(target: GLenum, address: GLuint, pname: GLenum, params: *mut GLint)>;Aliased Type§
pub enum PFNGLGETTRACKMATRIXIVNVPROC {
None,
Some(unsafe extern "C" fn(u32, u32, u32, *mut i32)),
}