1/* Copyright (C) 1991-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#ifndef	_SGTTY_H
19#define	_SGTTY_H	1
20
21#include <features.h>
22
23#include <sys/ioctl.h>
24
25/* On some systems this type is not defined by <bits/ioctl-types.h>;
26   in that case, the functions are just stubs that return ENOSYS.  */
27struct sgttyb;
28
29__BEGIN_DECLS
30
31/* Fill in *PARAMS with terminal parameters associated with FD.  */
32extern int gtty (int __fd, struct sgttyb *__params) __THROW;
33
34/* Set the terminal parameters associated with FD to *PARAMS.  */
35extern int stty (int __fd, const struct sgttyb *__params) __THROW;
36
37
38__END_DECLS
39
40#endif /* sgtty.h  */