Type Definition glu_sys::glu::PFNGLMATRIXFRUSTUMEXTPROC

type PFNGLMATRIXFRUSTUMEXTPROC = Option<unsafe extern "C" fn(mode: GLenum, left: GLdouble, right: GLdouble, bottom: GLdouble, top: GLdouble, zNear: GLdouble, zFar: GLdouble)>;