pub type PFNGLGETPROGRAMENVPARAMETERFVARBPROC = Option<unsafe extern "C" fn(target: GLenum, index: GLuint, params: *mut GLfloat)>;Aliased Type§
enum PFNGLGETPROGRAMENVPARAMETERFVARBPROC {
None,
Some(unsafe extern "C" fn(_: u32, _: u32, _: *mut f32)),
}