481     pWin->prevSib = NullWindow;  in SetWindowToDefaults()
482     pWin->firstChild = NullWindow;  in SetWindowToDefaults()
483     pWin->lastChild = NullWindow;  in SetWindowToDefaults()
592     pWin->parent = NullWindow;  in CreateRootWindow()
614     pWin->nextSib = NullWindow;  in CreateRootWindow()
753         return NullWindow;  in RealChildHead()
781         return NullWindow;  in CreateWindow()
786         return NullWindow;  in CreateWindow()
791         return NullWindow;  in CreateWindow()
820             return NullWindow;  in CreateWindow()
827         return NullWindow;  in CreateWindow()
834         return NullWindow;  in CreateWindow()
840         return NullWindow;  in CreateWindow()
864             return NullWindow;  in CreateWindow()
879         return NullWindow;  in CreateWindow()
929         return NullWindow;  in CreateWindow()
944         return NullWindow;  in CreateWindow()
966         DeliverEvents(pParent, &event, 1, NullWindow);  in CreateWindow()
1054                 DeliverEvents(pChild, &event, 1, NullWindow);  in CrushTree()
1068             pChild->firstChild = NullWindow;  in CrushTree()
1069             pChild->lastChild = NullWindow;  in CrushTree()
1096         DeliverEvents(pWin, &event, 1, NullWindow);  in DeleteWindow()
1486                 DeliverEvents(pWin, &xE, 1, NullWindow);  in ChangeWindowAttributes()
1663             pWin->nextSib = NullWindow;  in MoveWindowInStack()
1683             pFirstChange = NullWindow;  in MoveWindowInStack()
1879                 DeliverEvents(pSib, &event, 1, NullWindow);  in ResizeChildrenWinSize()
2098             return NullWindow;  in WhereDoIGoInTheStack()
2119                 return NullWindow;  in WhereDoIGoInTheStack()
2124             return NullWindow;  in WhereDoIGoInTheStack()
2135                     return NullWindow;  in WhereDoIGoInTheStack()
2148             return NullWindow;  in WhereDoIGoInTheStack()
2204     WindowPtr pSib = NullWindow;  in ConfigureWindow()
2401         DeliverEvents(pWin, &event, 1, NullWindow);  in ConfigureWindow()
2489     DeliverEvents(pWin, &event, 1, NullWindow);  in CirculateWindow()
2491                        (direction == RaiseLowest) ? pFirst : NullWindow,  in CirculateWindow()
2575         pWin->prevSib = NullWindow;  in ReparentWindow()
2653     DeliverEvents(pWin, &event, 1, NullWindow);  in DeliverMapNotify()
2719             (*pScreen->PostValidateTree) (NullWindow, pWin, VTMap);  in MapWindow()
2739     WindowPtr pFirstMapped = NullWindow;  in MapSubwindows()
2844     DeliverEvents(pWin, &event, 1, NullWindow);  in DeliverUnmapNotify()
3105     DeliverEvents(pWin, &event, 1, NullWindow);  in SendVisibilityNotify()
3152                 pScreen->screensaver.pWindow = NullWindow;  in dixSaveScreens()
3729             (*pScreen->ValidateTree) (pWin, NullWindow, VTOther);  in SetRootClip()
3732                 (*pScreen->PostValidateTree) (pWin, NullWindow, VTOther);  in SetRootClip()