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Edit File: sgtty.h

/* Copyright (C) 1991-2021 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
   <https://www.gnu.org/licenses/>.  */

#ifndef	_SGTTY_H
#define	_SGTTY_H	1

#include <features.h>

#include <sys/ioctl.h>

/* On some systems this type is not defined by <bits/ioctl-types.h>;
   in that case, the functions are just stubs that return ENOSYS.  */
struct sgttyb;

__BEGIN_DECLS

/* Fill in *PARAMS with terminal parameters associated with FD.  */
extern int gtty (int __fd, struct sgttyb *__params) __THROW;

/* Set the terminal parameters associated with FD to *PARAMS.  */
extern int stty (int __fd, const struct sgttyb *__params) __THROW;

__END_DECLS

#endif /* sgtty.h  */