GLUT_SPECIAL_CALLBACK 1062 php_opengl/glut/php_glut.c 	call_user_callback(call_backs,GLUT_SPECIAL_CALLBACK,3,params);
GLUT_SPECIAL_CALLBACK 1083 php_opengl/glut/php_glut.c 	HASH_CALLBACK(callback, 1, GLUT_SPECIAL_CALLBACK);