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207 lines
6.3 KiB
C
207 lines
6.3 KiB
C
/****************************************************************************
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*
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* Copyright (C) 1991 Kendall Bennett.
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* All rights reserved.
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*
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* Filename: $RCSfile$
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* Version: $Revision$
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*
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* Language: ANSI C
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* Environment: any
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*
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* Description: General header file for portable code.
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*
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* $Id$
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*
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* Revision History:
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* -----------------
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*
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* $Log$
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* Revision 1.2 2000/07/02 23:46:41 sas
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* Change header protection macros to conform to standard.
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*
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* Draft 3 of IEEE 1003.1 200x, "2.2 The Compilation Environment"
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*
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* All identifiers that begin with an underscore and either an uppercase
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* letter or another underscore are always reserved for any use by the
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* implementation.
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*
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* Revision 1.1 1999/04/21 23:37:47 ssb
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* moved db
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*
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* Revision 1.1.1.1 1999/04/07 21:03:29 zeev
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* PHP 4.0
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*
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* Revision 1.1.1.1 1999/03/17 04:29:10 andi
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* PHP4
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*
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* Revision 1.1.1.1 1998/12/21 07:56:22 andi
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* Trying to start the zend CVS tree
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*
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* Revision 1.1 1998/08/12 09:29:16 steinm
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* First version of Hyperwave module.
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*
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* Revision 1.6 92/03/15 12:51:48 kjb
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* Added MK_FP macro and ushort typedef.
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*
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* Revision 1.5 91/10/28 03:17:33 kjb
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* Ported to the Iris.
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*
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* Revision 1.4 91/09/26 15:29:02 kjb
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* Added stuff for the SGI Iris 4D.
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*
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* Revision 1.3 91/09/26 10:07:04 kjb
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* Added general typedef stuff.
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*
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* Revision 1.2 91/09/03 18:19:14 ROOT_DOS
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* Added a few defines that are supplied by <dir.h> for UNIX compatibility.
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*
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* Revision 1.1 91/08/16 13:19:06 ROOT_DOS
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* Initial revision
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*
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****************************************************************************/
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#ifndef DEBUG_H
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#define DEBUG_H
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#ifdef DEBUG
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# define D(x) x
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#else
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# define D(x)
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#endif
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#define PRIVATE static
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#define PUBLIC
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#ifdef __MSDOS__ /* Compiling for MSDOS */
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# define MS(x) x
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# define UX(x)
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# define IR(x)
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# define _8086 /* We know we have an 8086 type processor */
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#if defined(__COMPACT__) || defined(__LARGE__) || defined(__HUGE__)
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# define LDATA
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# define NULL 0L
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#else
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# define NULL 0
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#endif
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#else __MSDOS__
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#ifdef __IRIS4D__ /* Compiling for the SGI Iris 4D */
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# define MS(x)
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# define UX(x) x /* The Iris is a UNIX machine */
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# define IR(x) x
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# define O_BINARY 0 /* no binary input mode in UNIX open() */
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# define MAXFILE 255 /* These are defined in <dir.h>, but */
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# define MAXDIR 255 /* on UNIX machines, we just define */
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# define MAXPATH 255 /* them all to be the same size */
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# define far /* Near and far do not exist under */
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# define near /* UNIX or the Iris. */
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# define NULL ((void *)0)
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#else __IRIS4D__ /* Assume UNIX compilation */
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# define MS(x)
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# define UX(x) x
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# define IR(x)
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# define O_BINARY 0 /* no binary input mode in UNIX open() */
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# define MAXFILE 255 /* These are defined in <dir.h>, but */
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# define MAXDIR 255 /* on UNIX machines, we just define */
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# define MAXPATH 255 /* them all to be the same size */
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# define far /* Near and far do not exist under */
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# define near /* UNIX or the Iris. */
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# ifndef NULL
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# define NULL ((void *)0)
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# endif
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#endif __IRIS4D__
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#endif __MSDOS__
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/****************************************************************************
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*
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* SEG(p) Evaluates to the segment portion of an 8086 address.
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* OFF(p) Evaluates to the offset portion of an 8086 address.
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* FP(s,o) Creates a far pointer given a segment offset pair.
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* PHYS(p) Evaluates to a long holding a physical address
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*
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****************************************************************************/
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#ifdef _8086
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# define SEG(p) ( ((unsigned *)&(void far *)(p))[1] )
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# define OFF(p) ( (unsigned)(p) )
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# define FP(s,o) ( (void far *)( ((unsigned long)s << 16) + \
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(unsigned long)o ))
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# define PHYS(p) ( (unsigned long)OFF(p) + \
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((unsigned long)SEG(p) << 4))
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#else
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# define PHYS(p) (p)
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#endif _8086
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/****************************************************************************
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*
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* NUMELE(array) Evaluates to the array size in elements
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* LASTELE(array) Evaluates to a pointer to the last element
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* INBOUNDS(array,p) Evaluates to true if p points into the array
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* RANGE(a,b,c) Evaluates to true if a <= b <= c
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* max(a,b) Evaluates to a or b, whichever is larger
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* min(a,b) Evaluates to a or b, whichever is smaller
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* ABS(a) Evaluates to the absolute value of a
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* NBITS(type) Returns the number of bits in a variable of the
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* indicated type
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* MAXINT Evaluates to the value of the largest signed integer
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*
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****************************************************************************/
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#define NUMELE(a) (sizeof(a)/sizeof(*(a)))
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#define LASTELE(a) ((a) + (NUMELE(a)-1))
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#ifdef LDATA
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#define TOOHIGH(a, p) ((long)PHYS(p) - (long)PHYS(a) > (long)(NUMELE(a)-1))
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#define TOOLOW(a, p) ((long)PHYS(p) - (long)PHYS(a) < 0)
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#else
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#define TOOHIGH(a, p) ((long)(p) - (long)(a) > (long)(NUMELE(a)-1))
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#define TOOLOW(a, p) ((long)(p) - (long)(a) < 0)
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#endif
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#define INBOUNDS(a, p) ( ! (TOOHIGH(a, p) || TOOLOW(a, p)) )
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#define _IS(t, x) (((t)1 << (x)) != 0) /* Evaluates true if the width of */
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/* variable of type t is < x. */
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/* The != 0 assures that the */
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/* answer is 1 or 0 */
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#define NBITS(t) (4 * (1 + _IS(t, 4) + _IS(t, 8) + _IS(t, 12) + _IS(t, 16) \
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+ _IS(t, 20) + _IS(t, 24) + _IS(t, 28) + _IS(t, 32)))
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#define MAXINT (((unsigned)~0) >> 1)
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#ifndef MAX
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# define MAX(a, b) ( ((a) > (b)) ? (a) : (b))
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#endif
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#ifndef MIN
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# define MIN(a, b) ( ((a) < (b)) ? (a) : (b))
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#endif
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#ifndef ABS
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# define ABS(a) ((a) >= 0 ? (a) : -(a))
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#endif
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#define RANGE(a, b, c) ( (a) <= (b) && (b) <= (c) )
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/* General typedefs */
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#ifndef __GENDEFS
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#define __GENDEFS
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typedef void *ptr;
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typedef void near *nearptr;
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typedef void far *farptr;
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/*typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;*/
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typedef int bool;
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#endif __GENDEFS
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/* Boolean truth values */
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#define false 0
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#define true 1
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#define FALSE 0
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#define TRUE 1
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#define NO 0
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#define YES 1
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#endif /* DEBUG_H */
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