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diff --git a/nx-X11/programs/Xserver/include/bstorestr.h b/nx-X11/programs/Xserver/include/bstorestr.h
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+/* $XFree86: xc/programs/Xserver/include/bstorestr.h,v 1.2 2001/01/06 20:58:12 tsi Exp $*/
+/*
+ * Copyright (c) 1987 by the Regents of the University of California
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies. The University of
+ * California makes no representations about the suitability of this software
+ * for any purpose. It is provided "as is" without express or implied
+ * warranty.
+ */
+
+/*
+ * Moved here from mi to allow wrapping of lower level backing store functions.
+ * -- 1997.10.27 Marc Aurele La France (tsi@xfree86.org)
+ */
+
+#ifndef _BSTORESTR_H_
+#define _BSTORESTR_H_
+
+#include "gc.h"
+#include "pixmap.h"
+#include "region.h"
+#include "window.h"
+
+typedef void (* BackingStoreSaveAreasProcPtr)(
+ PixmapPtr /*pBackingPixmap*/,
+ RegionPtr /*pObscured*/,
+ int /*x*/,
+ int /*y*/,
+ WindowPtr /*pWin*/);
+
+typedef void (* BackingStoreRestoreAreasProcPtr)(
+ PixmapPtr /*pBackingPixmap*/,
+ RegionPtr /*pExposed*/,
+ int /*x*/,
+ int /*y*/,
+ WindowPtr /*pWin*/);
+
+typedef void (* BackingStoreSetClipmaskRgnProcPtr)(
+ GCPtr /*pBackingGC*/,
+ RegionPtr /*pbackingCompositeClip*/);
+
+typedef PixmapPtr (* BackingStoreGetImagePixmapProcPtr)(void);
+
+typedef PixmapPtr (* BackingStoreGetSpansPixmapProcPtr)(void);
+
+typedef struct _BSFuncs {
+
+ BackingStoreSaveAreasProcPtr SaveAreas;
+ BackingStoreRestoreAreasProcPtr RestoreAreas;
+ BackingStoreSetClipmaskRgnProcPtr SetClipmaskRgn;
+ BackingStoreGetImagePixmapProcPtr GetImagePixmap;
+ BackingStoreGetSpansPixmapProcPtr GetSpansPixmap;
+
+} BSFuncRec, *BSFuncPtr;
+
+#endif /* _BSTORESTR_H_ */