Type Definition glu_sys::glu::PFNGLREPLACEMENTCODEUITEXCOORD2FNORMAL3FVERTEX3FVSUNPROC

type PFNGLREPLACEMENTCODEUITEXCOORD2FNORMAL3FVERTEX3FVSUNPROC = Option<unsafe extern "C" fn(rc: *const GLuint, tc: *const GLfloat, n: *const GLfloat, v: *const GLfloat)>;