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/* syshdr.unx -*- C -*-
   Unix system header for the uuconf library.

   Copyright (C) 1992 Ian Lance Taylor

   This file is part of the Taylor UUCP uuconf library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License
   as published by the Free Software Foundation; either version 2 of
   the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

   The author of the program may be contacted at [email protected] or
   c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
   */

/* The root directory (used when setting local-send and local-receive
   values).  */
#define ZROOTDIR "/"

/* The current directory (used by uuconv as a prefix for the newly
   created file names).  */
#define ZCURDIR "."

/* The names of the Taylor UUCP configuration files.  These are
   appended to NEWCONFIGLIB which is defined in Makefile.  */
#define CONFIGFILE "/config"
#define SYSFILE "/sys"
#define PORTFILE "/port"
#define DIALFILE "/dial"
#define CALLFILE "/call"
#define PASSWDFILE "/passwd"
#define DIALCODEFILE "/dialcode"

/* The names of the various V2 configuration files.  These are
   appended to OLDCONFIGLIB which is defined in Makefile.  */
#define V2_SYSTEMS "/L.sys"
#define V2_DEVICES "/L-devices"
#define V2_USERFILE "/USERFILE"
#define V2_CMDS "/L.cmds"
#define V2_DIALCODES "/L-dialcodes"

/* The names of the HDB configuration files.  These are appended to
   OLDCONFIGLIB which is defined in Makefile.  */
#define HDB_SYSFILES "/Sysfiles"
#define HDB_SYSTEMS "/Systems"
#define HDB_PERMISSIONS "/Permissions"
#define HDB_DEVICES "/Devices"
#define HDB_DIALERS "/Dialers"
#define HDB_DIALCODES "/Dialcodes"
#define HDB_MAXUUXQTS "/Maxuuxqts"
#define HDB_REMOTE_UNKNOWN "/remote.unknown"

/* A string which is inserted between the value of OLDCONFIGLIB
   (defined in the Makefile) and any names specified in the HDB
   Sysfiles file.  */
#define HDB_SEPARATOR "/"

/* A macro to check whether fopen failed because the file did not
   exist.  */
#define FNO_SUCH_FILE() (errno == ENOENT)

#if ! HAVE_STRERROR

/* We need a definition for strerror; normally the function in the
   unix directory is used, but we want to be independent of that
   library.  This macro evaluates its argument multiple times.  */
extern int sys_nerr;
extern char *sys_errlist[];

#define strerror(ierr) \
  ((ierr) >= 0 && (ierr) < sys_nerr ? sys_errlist[ierr] : "unknown error")

#endif /* ! HAVE_STRERROR */

/* We want to be able to mark the Taylor UUCP system files as close on
   exec.  */
#if HAVE_FCNTL_H
#include <fcntl.h>
#else
#if HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#endif

#ifndef FD_CLOEXEC
#define FD_CLOEXEC 1
#endif

#define CLOSE_ON_EXEC(e) \
  do \
    { \
      int cle_i = fileno (e); \
 \
      fcntl (cle_i, F_SETFD, fcntl (cle_i, F_GETFD, 0) | FD_CLOEXEC); \
    } \
  while (0)

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