S_ENDWIN
if (__m_screen->_flags & S_ENDWIN) {
__m_screen->_flags &= ~S_ENDWIN;
if (!(__m_screen->_flags & S_ENDWIN)) {
__m_screen->_flags = S_ENDWIN;
value = __m_screen != (SCREEN *) 0 && (__m_screen->_flags & S_ENDWIN);
sp->_flags |= S_ENDWIN;
if (__m_screen->_flags & S_ENDWIN) {
__m_screen->_flags &= ~S_ENDWIN;
if (!(__m_screen->_flags & S_ENDWIN)) {
__m_screen->_flags = S_ENDWIN;
value = __m_screen != NULL && (__m_screen->_flags & S_ENDWIN);
sp->_flags |= S_ENDWIN;