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/* Copyright (C) 1991-2018 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 _SYS_IOCTL_H
#define _SYS_IOCTL_H 1
#include <features.h>
__BEGIN_DECLS
/* Get the list of `ioctl' requests and related constants. */
#include <bits/ioctls.h>
/* Define some types used by `ioctl' requests. */
#include <bits/ioctl-types.h>
/* On a Unix system, the system <sys/ioctl.h> probably defines some of
the symbols we define in <sys/ttydefaults.h> (usually with the same
values). The code to generate <bits/ioctls.h> has omitted these
symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>
to define them, so we must include <sys/ttydefaults.h> here. */
#include <sys/ttydefaults.h>
/* Perform the I/O control operation specified by REQUEST on FD.
One argument may follow; its presence and type depend on REQUEST.
Return value depends on REQUEST. Usually -1 indicates error. */
extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
__END_DECLS
#endif /* sys/ioctl.h */
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