31     struct _TreeRec *firstChild;  member
240             pTree->parent->firstChild = pTree->nextSib;  in miOverlayDestroyWindow()
313         RebuildTree(pWin->drawable.pScreen->root->firstChild);  in miOverlayReparentWindow()
366                     if (pChild->firstChild) {  in miOverlayMarkOverlappedWindows()
367                         pChild = pChild->firstChild;  in miOverlayMarkOverlappedWindows()
542                     if (tChild->firstChild) {  in miOverlayComputeClips()
543                         tChild = tChild->firstChild;  in miOverlayComputeClips()
593     if ((tChild = tParent->firstChild) && pParent->mapped) {  in miOverlayComputeClips()
604         for (tChild = tParent->firstChild; tChild; tChild = tChild->nextSib) {  in miOverlayComputeClips()
657     if (!(pChild = pWin->firstChild))  in miOverlayMarkWindow()
668                 if (!(pGrandChild = pChild->firstChild))  in miOverlayMarkWindow()
676                     else if (pGrandChild->firstChild) {  in miOverlayMarkWindow()
677                         pGrandChild = pGrandChild->firstChild;  in miOverlayMarkWindow()
735         pChild = pParent->firstChild;  in miOverlayValidateTree()
751         tChild = tParent->firstChild;  in miOverlayValidateTree()
758         for (tWin = tParent->firstChild; tWin != tChild; tWin = tWin->nextSib) {  in miOverlayValidateTree()
857                 if (pTree->firstChild) {  in miOverlayHandleExposures()
858                     pTree = pTree->firstChild;  in miOverlayHandleExposures()
895             if (pChild->firstChild) {  in miOverlayHandleExposures()
896                 pChild = pChild->firstChild;  in miOverlayHandleExposures()
1118         for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {  in miOverlayResizeWindow()
1373             for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {  in miOverlayResizeWindow()
1725     pTree->firstChild = NULL;  in DoLeaf()
1733     if (!parent->firstChild)  in DoLeaf()
1734         parent->firstChild = parent->lastChild = pTree;  in DoLeaf()
1756     pChild = pWin->firstChild;  in RebuildTree()
1757     parent->firstChild = parent->lastChild = NULL;  in RebuildTree()
1763         if (pChild->firstChild) {  in RebuildTree()
1768             pChild = pChild->firstChild;  in RebuildTree()
1791     if (!(pChild = pWin->firstChild))  in HasUnderlayChildren()
1798         if (pChild->firstChild) {  in HasUnderlayChildren()
1799             pChild = pChild->firstChild;  in HasUnderlayChildren()
1822     if (!(pChild = pWin->firstChild))  in CollectUnderlayChildrenRegions()
1832         else if (pChild->firstChild) {  in CollectUnderlayChildrenRegions()
1833             pChild = pChild->firstChild;  in CollectUnderlayChildrenRegions()