260 lines
8.3 KiB
C
260 lines
8.3 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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Copyright 1992, 1993 Data General Corporation;
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Copyright 1992, 1993 OMRON Corporation
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that the
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above copyright notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting documentation, and that
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neither the name OMRON or DATA GENERAL be used in advertising or publicity
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pertaining to distribution of the software without specific, written prior
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permission of the party whose name is to be used. Neither OMRON or
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DATA GENERAL make any representation about the suitability of this software
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for any purpose. It is provided "as is" without express or implied warranty.
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OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
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IN NO EVENT SHALL OMRON OR DATA GENERAL BE LIABLE FOR ANY SPECIAL, INDIRECT
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OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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OF THIS SOFTWARE.
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******************************************************************/
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#ifndef MISC_H
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#define MISC_H 1
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/*
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* X internal definitions
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*
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*/
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#include <X11/Xosdefs.h>
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#include <X11/Xfuncproto.h>
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#include <X11/Xmd.h>
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#include <X11/X.h>
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#include <X11/Xdefs.h>
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#include <stddef.h>
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#ifndef MAXSCREENS
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#define MAXSCREENS 16
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#endif
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#define MAXCLIENTS 256
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#define MAXEXTENSIONS 128
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#define MAXFORMATS 8
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#define MAXDEVICES 20 /* input devices */
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#define EXTENSION_EVENT_BASE 64
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#define EXTENSION_BASE 128
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typedef unsigned long PIXEL;
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typedef unsigned long ATOM;
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#ifndef _XTYPEDEF_CALLBACKLISTPTR
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typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */
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#define _XTYPEDEF_CALLBACKLISTPTR
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#endif
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typedef struct _xReq *xReqPtr;
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#include "os.h" /* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
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#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
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#define NullBox ((BoxPtr)0)
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#define MILLI_PER_MIN (1000 * 60)
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#define MILLI_PER_SECOND (1000)
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/* this next is used with None and ParentRelative to tell
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PaintWin() what to use to paint the background. Also used
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in the macro IS_VALID_PIXMAP */
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#define USE_BACKGROUND_PIXEL 3
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#define USE_BORDER_PIXEL 3
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/* byte swap a 32-bit literal */
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#define lswapl(x) ((((x) & 0xff) << 24) |\
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(((x) & 0xff00) << 8) |\
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(((x) & 0xff0000) >> 8) |\
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(((x) >> 24) & 0xff))
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/* byte swap a short literal */
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#define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
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#undef min
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#undef max
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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/* abs() is a function, not a macro; include the file declaring
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* it in case we haven't done that yet.
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*/
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#include <stdlib.h>
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#ifndef Fabs
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#define Fabs(a) ((a) > 0.0 ? (a) : -(a)) /* floating absolute value */
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#endif
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#define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
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/* this assumes b > 0 */
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#define modulus(a, b, d) if (((d) = (a) % (b)) < 0) (d) += (b)
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/*
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* return the least significant bit in x which is set
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*
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* This works on 1's complement and 2's complement machines.
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* If you care about the extra instruction on 2's complement
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* machines, change to ((x) & (-(x)))
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*/
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#define lowbit(x) ((x) & (~(x) + 1))
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/* XXX Not for modules */
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#include <limits.h>
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#if !defined(MAXSHORT) || !defined(MINSHORT) || \
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!defined(MAXINT) || !defined(MININT)
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/*
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* Some implementations #define these through <math.h>, so preclude
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* #include'ing it later.
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*/
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#include <math.h>
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#undef MAXSHORT
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#define MAXSHORT SHRT_MAX
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#undef MINSHORT
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#define MINSHORT SHRT_MIN
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#undef MAXINT
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#define MAXINT INT_MAX
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#undef MININT
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#define MININT INT_MIN
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h> /* for fopen, etc... */
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#endif
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/* some macros to help swap requests, replies, and events */
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#define LengthRestB(stuff) \
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((client->req_len << 2) - sizeof(*stuff))
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#define LengthRestS(stuff) \
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((client->req_len << 1) - (sizeof(*stuff) >> 1))
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#define LengthRestL(stuff) \
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(client->req_len - (sizeof(*stuff) >> 2))
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#define SwapRestS(stuff) \
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SwapShorts((short *)(stuff + 1), LengthRestS(stuff))
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#define SwapRestL(stuff) \
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SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))
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/* byte swap a 32-bit value */
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#define swapl(x, n) { \
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n = ((char *) (x))[0];\
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((char *) (x))[0] = ((char *) (x))[3];\
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((char *) (x))[3] = n;\
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n = ((char *) (x))[1];\
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((char *) (x))[1] = ((char *) (x))[2];\
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((char *) (x))[2] = n; }
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/* byte swap a short */
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#define swaps(x, n) { \
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n = ((char *) (x))[0];\
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((char *) (x))[0] = ((char *) (x))[1];\
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((char *) (x))[1] = n; }
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/* copy 32-bit value from src to dst byteswapping on the way */
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#define cpswapl(src, dst) { \
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((char *)&(dst))[0] = ((char *) &(src))[3];\
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((char *)&(dst))[1] = ((char *) &(src))[2];\
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((char *)&(dst))[2] = ((char *) &(src))[1];\
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((char *)&(dst))[3] = ((char *) &(src))[0]; }
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/* copy short from src to dst byteswapping on the way */
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#define cpswaps(src, dst) { \
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((char *) &(dst))[0] = ((char *) &(src))[1];\
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((char *) &(dst))[1] = ((char *) &(src))[0]; }
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extern _X_EXPORT void SwapLongs(
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CARD32 *list,
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unsigned long count);
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extern _X_EXPORT void SwapShorts(
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short *list,
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unsigned long count);
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extern _X_EXPORT void MakePredeclaredAtoms(void);
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extern _X_EXPORT int Ones(
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unsigned long /*mask*/);
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typedef struct _xPoint *DDXPointPtr;
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typedef struct pixman_box16 *BoxPtr;
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typedef struct _xEvent *xEventPtr;
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typedef struct _xRectangle *xRectanglePtr;
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typedef struct _GrabRec *GrabPtr;
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/* typedefs from other places - duplicated here to minimize the amount
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* of unnecessary junk that one would normally have to include to get
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* these symbols defined
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*/
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#ifndef _XTYPEDEF_CHARINFOPTR
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typedef struct _CharInfo *CharInfoPtr; /* also in fonts/include/font.h */
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#define _XTYPEDEF_CHARINFOPTR
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#endif
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extern _X_EXPORT unsigned long globalSerialNumber;
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extern _X_EXPORT unsigned long serverGeneration;
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#endif /* MISC_H */
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