#include <stdlib.h>
#include "glutint.h"
void GLUTAPIENTRY
glutKeyboardUpFunc(GLUTkeyboardCB keyboardUpFunc)
{
__glutChangeWindowEventMask(KeyReleaseMask,
keyboardUpFunc != NULL || __glutCurrentWindow->specialUp != NULL);
__glutCurrentWindow->keyboardUp = keyboardUpFunc;
}
void GLUTAPIENTRY
glutSpecialUpFunc(GLUTspecialCB specialUpFunc)
{
__glutChangeWindowEventMask(KeyReleaseMask,
specialUpFunc != NULL || __glutCurrentWindow->keyboardUp != NULL);
__glutCurrentWindow->specialUp = specialUpFunc;
}