Type Definition glu_sys::glu::PFNGLTEXCOORD4FVERTEX4FSUNPROC

type PFNGLTEXCOORD4FVERTEX4FSUNPROC = Option<unsafe extern "C" fn(s: GLfloat, t: GLfloat, p: GLfloat, q: GLfloat, x: GLfloat, y: GLfloat, z: GLfloat, w: GLfloat)>;