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308 lines
6.0 KiB
C
308 lines
6.0 KiB
C
/* common definitions for `patch' */
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/* $Id: common.h,v 1.18 1997/06/13 06:28:37 eggert Exp $ */
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/*
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Copyright 1986, 1988 Larry Wall
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Copyright 1990, 1991, 1992, 1993, 1997 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef DEBUGGING
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#define DEBUGGING 1
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#endif
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/* We must define `volatile' and `const' first (the latter inside config.h),
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so that they're used consistently in all system includes. */
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#ifndef __STDC__
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# ifndef volatile
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# define volatile
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# endif
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#endif
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/* Enable support for fseeko and ftello on hosts
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where it is available but is turned off by default.
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This must be defined before any system file is included. */
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#define _LARGEFILE_SOURCE 1
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#include <config.h>
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#include <assert.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <time.h>
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#include <sys/stat.h>
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#if ! defined S_ISDIR && defined S_IFDIR
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# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif
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#if ! defined S_ISREG && defined S_IFREG
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# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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#ifndef S_IXOTH
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#define S_IXOTH 1
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#endif
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#ifndef S_IWOTH
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#define S_IWOTH 2
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#endif
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#ifndef S_IROTH
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#define S_IROTH 4
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#endif
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#ifndef S_IXGRP
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#define S_IXGRP (S_IXOTH << 3)
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#endif
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#ifndef S_IWGRP
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#define S_IWGRP (S_IWOTH << 3)
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#endif
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#ifndef S_IRGRP
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#define S_IRGRP (S_IROTH << 3)
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#endif
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#ifndef S_IXUSR
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#define S_IXUSR (S_IXOTH << 6)
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#endif
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#ifndef S_IWUSR
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#define S_IWUSR (S_IWOTH << 6)
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#endif
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#ifndef S_IRUSR
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#define S_IRUSR (S_IROTH << 6)
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#endif
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#if HAVE_LIMITS_H
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# include <limits.h>
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#endif
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#ifndef INT_MAX
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#define INT_MAX 2147483647
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#endif
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#ifndef LONG_MIN
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#define LONG_MIN (-1-2147483647L)
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#endif
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#include <ctype.h>
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/* CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given
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as an argument to <ctype.h> macros like `isspace'. */
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#if STDC_HEADERS
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#define CTYPE_DOMAIN(c) 1
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#else
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#define CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177)
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#endif
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#ifndef ISSPACE
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#define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c))
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#endif
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#ifndef ISDIGIT
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#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
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#endif
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#ifndef FILESYSTEM_PREFIX_LEN
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#define FILESYSTEM_PREFIX_LEN(f) 0
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#endif
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#ifndef ISSLASH
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#define ISSLASH(c) ((c) == '/')
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#endif
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/* constants */
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/* AIX predefines these. */
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#ifdef TRUE
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#undef TRUE
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#endif
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#ifdef FALSE
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#undef FALSE
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#endif
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#define TRUE 1
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#define FALSE 0
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/* handy definitions */
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#define strEQ(s1,s2) (!strcmp(s1, s2))
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#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
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/* typedefs */
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typedef int bool; /* must promote to itself */
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typedef long LINENUM; /* must be signed */
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/* globals */
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extern char const program_name[];
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XTERN char *buf; /* general purpose buffer */
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XTERN size_t bufsize; /* allocated size of buf */
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XTERN bool using_plan_a; /* try to keep everything in memory */
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XTERN char *inname;
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XTERN char *outfile;
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XTERN int inerrno;
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XTERN int invc;
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XTERN struct stat instat;
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XTERN bool dry_run;
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XTERN bool posixly_correct;
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XTERN char const *origprae;
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XTERN char const *origbase;
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XTERN char const * volatile TMPOUTNAME;
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XTERN char const * volatile TMPINNAME;
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XTERN char const * volatile TMPPATNAME;
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#ifdef DEBUGGING
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XTERN int debug;
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#else
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# define debug 0
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#endif
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XTERN bool force;
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XTERN bool batch;
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XTERN bool noreverse;
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XTERN int reverse;
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XTERN enum { DEFAULT_VERBOSITY, SILENT, VERBOSE } verbosity;
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XTERN bool skip_rest_of_patch;
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XTERN int strippath;
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XTERN bool canonicalize;
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XTERN int patch_get;
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XTERN int set_time;
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XTERN int set_utc;
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enum diff
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{
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NO_DIFF,
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CONTEXT_DIFF,
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NORMAL_DIFF,
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ED_DIFF,
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NEW_CONTEXT_DIFF,
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UNI_DIFF
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};
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XTERN enum diff diff_type;
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XTERN char *revision; /* prerequisite revision, if any */
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#ifdef __STDC__
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# define GENERIC_OBJECT void
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#else
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# define GENERIC_OBJECT char
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#endif
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#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__
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# define __attribute__(x)
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#endif
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#ifndef PARAMS
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# ifdef __STDC__
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# define PARAMS(args) args
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# else
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# define PARAMS(args) ()
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# endif
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#endif
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GENERIC_OBJECT *xmalloc PARAMS ((size_t));
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void fatal_exit PARAMS ((int)) __attribute__ ((noreturn));
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#include <errno.h>
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#if !STDC_HEADERS && !defined errno
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extern int errno;
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#endif
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#if STDC_HEADERS || HAVE_STRING_H
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# include <string.h>
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#else
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# if !HAVE_MEMCHR
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# define memcmp(s1, s2, n) bcmp (s1, s2, n)
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# define memcpy(d, s, n) bcopy (s, d, n)
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GENERIC_OBJECT *memchr ();
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# endif
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#endif
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#if STDC_HEADERS
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# include <stdlib.h>
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#else
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long atol ();
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char *getenv ();
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GENERIC_OBJECT *malloc ();
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GENERIC_OBJECT *realloc ();
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#endif
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifndef lseek
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off_t lseek ();
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef STDIN_FILENO
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#define STDIN_FILENO 0
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#endif
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#ifndef STDOUT_FILENO
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#define STDOUT_FILENO 1
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#endif
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#ifndef STDERR_FILENO
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#define STDERR_FILENO 2
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#endif
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#if _LFS_LARGEFILE
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typedef off_t file_offset;
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# define file_seek fseeko
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# define file_tell ftello
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#else
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typedef long file_offset;
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# define file_seek fseek
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# define file_tell ftell
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#endif
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#if HAVE_FCNTL_H
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# include <fcntl.h>
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#endif
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#ifndef O_RDONLY
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#define O_RDONLY 0
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#endif
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#ifndef O_WRONLY
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#define O_WRONLY 1
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#endif
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#ifndef O_RDWR
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#define O_RDWR 2
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#endif
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#ifndef _O_BINARY
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#define _O_BINARY 0
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#endif
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#ifndef O_BINARY
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#define O_BINARY _O_BINARY
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#endif
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#ifndef O_CREAT
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#define O_CREAT 0
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#endif
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#ifndef O_TRUNC
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#define O_TRUNC 0
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#endif
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#if HAVE_SETMODE
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XTERN int binary_transput; /* O_BINARY if binary i/o is desired */
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#else
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# define binary_transput 0
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#endif
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#ifndef NULL_DEVICE
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#define NULL_DEVICE "/dev/null"
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#endif
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#ifndef TTY_DEVICE
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#define TTY_DEVICE "/dev/tty"
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#endif
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