1 /* Copyright (C) 1991-2022 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. */ 27 struct sgttyb; 28 29 __BEGIN_DECLS 30 31 /* Fill in *PARAMS with terminal parameters associated with FD. */ 32 extern int gtty (int __fd, struct sgttyb *__params) __THROW; 33 34 /* Set the terminal parameters associated with FD to *PARAMS. */ 35 extern int stty (int __fd, const struct sgttyb *__params) __THROW; 36 37 38 __END_DECLS 39 40 #endif /* sgtty.h */ 41