BOOL FASTCALL UserUpdateUiState(PWND Wnd, WPARAM wParam);
BOOL FASTCALL IntIsWindow(HWND hWnd);
HWND* FASTCALL IntWinListChildren(PWND Window);
+HWND* FASTCALL IntWinListOwnedPopups(PWND Window);
VOID FASTCALL IntGetClientRect (PWND WindowObject, RECTL *Rect);
INT FASTCALL IntMapWindowPoints(PWND FromWnd, PWND ToWnd, LPPOINT lpPoints, UINT cPoints);
BOOL FASTCALL IntIsChildWindow (PWND Parent, PWND Child);