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+/* $Xorg: CallbackI.h,v 1.4 2001/02/09 02:03:54 xorgcvs Exp $ */
+/***********************************************************
+
+Copyright 1987, 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+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 and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $XFree86$ */
+
+/****************************************************************
+ *
+ * Callbacks
+ *
+ ****************************************************************/
+
+typedef XrmResource **CallbackTable;
+
+#define _XtCBCalling 1
+#define _XtCBFreeAfterCalling 2
+
+typedef struct internalCallbackRec {
+ unsigned short count;
+ char is_padded; /* contains NULL padding for external form */
+ char call_state; /* combination of _XtCB{FreeAfter}Calling */
+#ifdef LONG64
+ unsigned int align_pad; /* padding to align callback list */
+#endif
+ /* XtCallbackList */
+} InternalCallbackRec, *InternalCallbackList;
+
+typedef Boolean (*_XtConditionProc)(
+ XtPointer /* data */
+);
+
+extern void _XtAddCallback(
+ InternalCallbackList* /* callbacks */,
+ XtCallbackProc /* callback */,
+ XtPointer /* closure */
+);
+
+extern void _XtAddCallbackOnce(
+ InternalCallbackList* /* callbacks */,
+ XtCallbackProc /* callback */,
+ XtPointer /* closure */
+);
+
+extern InternalCallbackList _XtCompileCallbackList(
+ XtCallbackList /* xtcallbacks */
+);
+
+extern XtCallbackList _XtGetCallbackList(
+ InternalCallbackList* /* callbacks */
+);
+
+extern void _XtRemoveAllCallbacks(
+ InternalCallbackList* /* callbacks */
+);
+
+extern void _XtRemoveCallback(
+ InternalCallbackList* /* callbacks */,
+ XtCallbackProc /* callback */,
+ XtPointer /* closure */
+);
+
+extern void _XtPeekCallback(
+ Widget /* widget */,
+ XtCallbackList /* callbacks */,
+ XtCallbackProc * /* callback */,
+ XtPointer * /* closure */
+);
+
+extern void _XtCallConditionalCallbackList(
+ Widget /* widget */,
+ XtCallbackList /* callbacks */,
+ XtPointer /* call_data */,
+ _XtConditionProc /* cond_proc */
+);