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9b3c7c3c | 1 | /* Internal defenitions and declarations for pseudo terminal functions. |
ad659702 | 2 | Copyright (C) 1998, 1999 Free Software Foundation, Inc. |
ae1025be | 3 | This file is part of the GNU C Library. |
6591c335 | 4 | Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. |
46d7de19 | 5 | |
ae1025be UD |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Library General Public License as | |
8 | published by the Free Software Foundation; either version 2 of the | |
9 | License, or (at your option) any later version. | |
46d7de19 | 10 | |
ae1025be UD |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Library General Public License for more details. | |
46d7de19 | 15 | |
ae1025be UD |
16 | You should have received a copy of the GNU Library General Public |
17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
46d7de19 | 20 | |
9b3c7c3c UD |
21 | #ifndef _PTY_PRIVATE_H |
22 | #define _PTY_PRIVATE_H 1 | |
46d7de19 | 23 | |
9b3c7c3c UD |
24 | /* The group slave pseudo terminals belong to. */ |
25 | #define TTY_GROUP "tty" | |
46d7de19 | 26 | |
9b3c7c3c UD |
27 | /* The file descriptor connected to the master pseudo terminal. */ |
28 | #define PTY_FILENO 3 | |
6591c335 | 29 | |
9b3c7c3c UD |
30 | /* Path to the helper program that implements `grantpt' in user space. */ |
31 | #define _PATH_PT_CHOWN LIBEXECDIR "/pt_chown" | |
6591c335 | 32 | |
ad659702 UD |
33 | /* Test whether given TTY is really a Unix98 pseudo terminal. */ |
34 | #define unix98_pseudo_p(Dev) ((Dev) >= 136 && (Dev) <= 143) | |
35 | ||
9b3c7c3c | 36 | /* Exit codes for the helper program. */ |
6591c335 UD |
37 | enum /* failure modes */ |
38 | { | |
39 | FAIL_EBADF = 1, | |
40 | FAIL_EINVAL, | |
41 | FAIL_EACCES, | |
42 | FAIL_EXEC | |
43 | }; | |
44 | ||
9b3c7c3c | 45 | #endif /* pty-private.h */ |