46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/* Support functions related to (pseudo)terminals.
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Copyright (C) 2018-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _SUPPORT_TTY_H
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#define _SUPPORT_TTY_H 1
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struct termios;
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struct winsize;
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/** Open a pseudoterminal pair. The outer fd is written to the address
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A_OUTER and the inner fd to A_INNER.
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If A_NAME is not NULL, it will be set to point to a string naming
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the /dev/pts/NNN device corresponding to the inner fd; space for
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this string is allocated with malloc and should be freed by the
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caller when no longer needed. (This is different from the libutil
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function 'openpty'.)
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If TERMP is not NULL, the terminal parameters will be initialized
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according to the termios structure it points to.
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If WINP is not NULL, the terminal window size will be set
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accordingly.
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Terminates the process on failure (like xmalloc). */
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extern void support_openpty (int *a_outer, int *a_inner, char **a_name,
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const struct termios *termp,
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const struct winsize *winp);
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#endif
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