/* freeglut extensions */
CHECK_NAME(glutMainLoopEvent);
CHECK_NAME(glutLeaveMainLoop);
CHECK_NAME(glutCloseFunc);
CHECK_NAME(glutWMCloseFunc);
CHECK_NAME(glutMenuDestroyFunc);
/* freeglut extensions */
CHECK_NAME(glutMainLoopEvent);
CHECK_NAME(glutLeaveMainLoop);
CHECK_NAME(glutCloseFunc);
CHECK_NAME(glutWMCloseFunc);
CHECK_NAME(glutMenuDestroyFunc);