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2cc7bad0 | 1 | /* Support functions related to (pseudo)terminals. |
581c785b | 2 | Copyright (C) 2018-2022 Free Software Foundation, Inc. |
2cc7bad0 ZW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
2cc7bad0 ZW |
18 | |
19 | #ifndef _SUPPORT_TTY_H | |
20 | #define _SUPPORT_TTY_H 1 | |
21 | ||
22 | struct termios; | |
23 | struct winsize; | |
24 | ||
25 | /** Open a pseudoterminal pair. The outer fd is written to the address | |
26 | A_OUTER and the inner fd to A_INNER. | |
27 | ||
28 | If A_NAME is not NULL, it will be set to point to a string naming | |
29 | the /dev/pts/NNN device corresponding to the inner fd; space for | |
30 | this string is allocated with malloc and should be freed by the | |
31 | caller when no longer needed. (This is different from the libutil | |
32 | function 'openpty'.) | |
33 | ||
34 | If TERMP is not NULL, the terminal parameters will be initialized | |
35 | according to the termios structure it points to. | |
36 | ||
37 | If WINP is not NULL, the terminal window size will be set | |
38 | accordingly. | |
39 | ||
40 | Terminates the process on failure (like xmalloc). */ | |
41 | extern void support_openpty (int *a_outer, int *a_inner, char **a_name, | |
42 | const struct termios *termp, | |
43 | const struct winsize *winp); | |
44 | ||
45 | #endif |