forked from KolibriOS/kolibrios
205 lines
6.6 KiB
C
205 lines
6.6 KiB
C
/* $XFree86: xc/include/Xmd.h,v 3.18tsi Exp $ */
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/***********************************************************
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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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******************************************************************/
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#ifndef XMD_H
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#define XMD_H 1
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/* $Xorg: Xmd.h,v 1.4 2001/02/09 02:03:22 xorgcvs Exp $ */
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/*
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* Xmd.h: MACHINE DEPENDENT DECLARATIONS.
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*/
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/*
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* Special per-machine configuration flags.
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*/
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#ifdef CRAY
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#define WORD64 /* 64-bit architecture */
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#endif
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#if defined (_LP64) || \
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defined(__alpha) || defined(__alpha__) || \
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defined(__ia64__) || defined(ia64) || \
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defined(__sparc64__) || \
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defined(__s390x__) || \
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(defined(__hppa__) && defined(__LP64__)) || \
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defined(__amd64__) || defined(amd64) || \
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defined(__powerpc64__) || \
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(defined(sgi) && (_MIPS_SZLONG == 64))
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#define LONG64 /* 32/64-bit architecture */
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#endif
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/*
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* Stuff to handle large architecture machines; the constants were generated
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* on a 32-bit machine and must coorespond to the protocol.
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*/
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#ifdef WORD64
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#define MUSTCOPY
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#endif /* WORD64 */
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/*
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* Definition of macro used to set constants for size of network structures;
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* machines with preprocessors that can't handle all of the sz_ symbols
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* can define this macro to be sizeof(x) if and only if their compiler doesn't
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* pad out structures (esp. the xTextElt structure which contains only two
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* one-byte fields). Network structures should always define sz_symbols.
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*
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* The sz_ prefix is used instead of something more descriptive so that the
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* symbols are no more than 32 characters long (which causes problems for some
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* compilers and preprocessors).
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*
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* The extra indirection in the __STDC__ case is to get macro arguments to
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* expand correctly before the concatenation, rather than afterward.
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*/
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#if ((defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)) && !defined(UNIXCPP)) || defined(ANSICPP)
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#define _SIZEOF(x) sz_##x
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#define SIZEOF(x) _SIZEOF(x)
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#else
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#define SIZEOF(x) sz_/**/x
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#endif /* if ANSI C compiler else not */
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/*
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* Bitfield suffixes for the protocol structure elements, if you
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* need them. Note that bitfields are not guarranteed to be signed
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* (or even unsigned) according to ANSI C.
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*/
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#ifdef WORD64
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typedef long INT64;
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typedef unsigned long CARD64;
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#define B32 :32
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#define B16 :16
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#ifdef UNSIGNEDBITFIELDS
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typedef unsigned int INT32;
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typedef unsigned int INT16;
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#else
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#ifdef __STDC__
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typedef signed int INT32;
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typedef signed int INT16;
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#else
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typedef int INT32;
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typedef int INT16;
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#endif
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#endif
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#else
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#define B32
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#define B16
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#ifdef LONG64
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typedef long INT64;
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typedef int INT32;
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#else
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typedef long INT32;
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#endif
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typedef short INT16;
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#endif
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#if defined(__STDC__) || defined(sgi) || defined(AIXV3)
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typedef signed char INT8;
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#else
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typedef char INT8;
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#endif
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#ifdef LONG64
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typedef unsigned long CARD64;
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typedef unsigned int CARD32;
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#else
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typedef unsigned long CARD32;
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#endif
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typedef unsigned short CARD16;
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typedef unsigned char CARD8;
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typedef CARD32 BITS32;
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typedef CARD16 BITS16;
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#ifndef I_NEED_OS2_H
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typedef CARD8 BYTE;
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typedef CARD8 BOOL;
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#else
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#define BYTE CARD8
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#define BOOL CARD8
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#endif
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typedef unsigned long long CARD64;
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/*
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* definitions for sign-extending bitfields on 64-bit architectures
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*/
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#if defined(WORD64) && defined(UNSIGNEDBITFIELDS)
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#define cvtINT8toInt(val) (((val) & 0x00000080) ? ((val) | 0xffffffffffffff00) : (val))
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#define cvtINT16toInt(val) (((val) & 0x00008000) ? ((val) | 0xffffffffffff0000) : (val))
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#define cvtINT32toInt(val) (((val) & 0x80000000) ? ((val) | 0xffffffff00000000) : (val))
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#define cvtINT8toShort(val) cvtINT8toInt(val)
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#define cvtINT16toShort(val) cvtINT16toInt(val)
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#define cvtINT32toShort(val) cvtINT32toInt(val)
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#define cvtINT8toLong(val) cvtINT8toInt(val)
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#define cvtINT16toLong(val) cvtINT16toInt(val)
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#define cvtINT32toLong(val) cvtINT32toInt(val)
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#else
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#define cvtINT8toInt(val) (val)
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#define cvtINT16toInt(val) (val)
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#define cvtINT32toInt(val) (val)
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#define cvtINT8toShort(val) (val)
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#define cvtINT16toShort(val) (val)
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#define cvtINT32toShort(val) (val)
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#define cvtINT8toLong(val) (val)
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#define cvtINT16toLong(val) (val)
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#define cvtINT32toLong(val) (val)
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#endif /* WORD64 and UNSIGNEDBITFIELDS */
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#ifdef MUSTCOPY
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/*
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* This macro must not cast or else pointers will get aligned and be wrong
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*/
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#define NEXTPTR(p,t) (((char *) p) + SIZEOF(t))
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#else /* else not MUSTCOPY, this is used for 32-bit machines */
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/*
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* this version should leave result of type (t *), but that should only be
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* used when not in MUSTCOPY
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*/
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#define NEXTPTR(p,t) (((t *)(p)) + 1)
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#endif /* MUSTCOPY - used machines whose C structs don't line up with proto */
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#endif /* XMD_H */
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