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- /* Support functions related to (pseudo)terminals.
- Copyright (C) 2018-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #ifndef _SUPPORT_TTY_H
- #define _SUPPORT_TTY_H 1
- struct termios;
- struct winsize;
- /** Open a pseudoterminal pair. The outer fd is written to the address
- A_OUTER and the inner fd to A_INNER.
- If A_NAME is not NULL, it will be set to point to a string naming
- the /dev/pts/NNN device corresponding to the inner fd; space for
- this string is allocated with malloc and should be freed by the
- caller when no longer needed. (This is different from the libutil
- function 'openpty'.)
- If TERMP is not NULL, the terminal parameters will be initialized
- according to the termios structure it points to.
- If WINP is not NULL, the terminal window size will be set
- accordingly.
- Terminates the process on failure (like xmalloc). */
- extern void support_openpty (int *a_outer, int *a_inner, char **a_name,
- const struct termios *termp,
- const struct winsize *winp);
- #endif
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