/* system.h: System-dependent declarations.  Include this first.

   $Id$

   Copyright (C) 1997 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3, or (at your option)

   any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software Foundation,

   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef TEXINFO_SYSTEM_H

#define TEXINFO_SYSTEM_H

#define _GNU_SOURCE

#include <config.h>

/* <unistd.h> should be included before any preprocessor test

   of _POSIX_VERSION.  */

#if HAVE_UNISTD_H

#include <unistd.h>

#endif /* HAVE_UNISTD_H */

#include <stdio.h>

#include <sys/types.h>

#include <ctype.h>

#if HAVE_LOCALE_H

#include <locale.h>

#endif

#include <libintl.h>

/* Don't use bcopy!  Use memmove if source and destination may overlap,

   memcpy otherwise.  */

#if HAVE_STRING_H

# if !STDC_HEADERS && HAVE_MEMORY_H

#  include <memory.h>

# endif

# include <string.h>

#else

# include <strings.h>

char *memchr ();

#endif

#ifdef STDC_HEADERS

#define getopt system_getopt

#include <stdlib.h>

#undef getopt

#else

extern char *getenv ();

#endif

#ifndef HAVE_STRERROR

extern char *strerror ();

#endif

#include <errno.h>

#ifndef errno

extern int errno;

#endif

#ifdef VMS

#include <perror.h>

#endif

#include <sys/stat.h>

#if HAVE_SYS_FILE_H

#include <sys/file.h>

#endif /* HAVE_SYS_FILE_H */

#ifndef O_RDONLY

/* Since <fcntl.h> is POSIX, prefer that to <sys/fcntl.h>.

   This also avoids some useless warnings on (at least) Linux.  */

#if HAVE_FCNTL_H

#include <fcntl.h>

#else /* not HAVE_FCNTL_H */

#if HAVE_SYS_FCNTL_H

#include <sys/fcntl.h>

#endif /* not HAVE_SYS_FCNTL_H */

#endif /* not HAVE_FCNTL_H */

#endif /* not O_RDONLY */

#if HAVE_PWD_H

#include <pwd.h>

#endif

/* Some systems don't declare this function in pwd.h. */

struct passwd *getpwnam ();

/* Our library routines not included in any system library.  */

extern void *xmalloc (), *xrealloc ();

extern char *xstrdup ();

#endif /* TEXINFO_SYSTEM_H */