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16017f6d78
Draft 3 of IEEE 1003.1 200x, "2.2 The Compilation Environment" All identifiers that begin with an underscore and either an uppercase letter or another underscore are always reserved for any use by the implementation.
198 lines
5.9 KiB
C
198 lines
5.9 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 1.1 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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