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/* Internal defenitions and declarations for pseudo terminal functions.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
The GNU C 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.
The GNU C 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _PTY_PRIVATE_H
#define _PTY_PRIVATE_H 1
/* The group slave pseudo terminals belong to. */
#define TTY_GROUP "tty"
/* The file descriptor connected to the master pseudo terminal. */
#define PTY_FILENO 3
/* Path to the helper program that implements `grantpt' in user space. */
#define _PATH_PT_CHOWN LIBEXECDIR "/pt_chown"
/* Test whether given TTY is really a Unix98 pseudo terminal. */
#define unix98_pseudo_p(Dev) ((Dev) >= 136 && (Dev) <= 143)
/* Exit codes for the helper program. */
enum /* failure modes */
{
FAIL_EBADF = 1,
FAIL_EINVAL,
FAIL_EACCES,
FAIL_EXEC
};
#endif /* pty-private.h */
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