/* Copyright (C) 1991-2018 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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<http://www.gnu.org/licenses/>. */

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#ifndef _SYS_IOCTL_H

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#define _SYS_IOCTL_H 1

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#include <features.h>

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__BEGIN_DECLS

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/* Get the list of `ioctl' requests and related constants. */

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#include <bits/ioctls.h>

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/* Define some types used by `ioctl' requests. */

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#include <bits/ioctl-types.h>

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/* On a Unix system, the system <sys/ioctl.h> probably defines some of

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the symbols we define in <sys/ttydefaults.h> (usually with the same

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values). The code to generate <bits/ioctls.h> has omitted these

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symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>

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to define them, so we must include <sys/ttydefaults.h> here. */

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#include <sys/ttydefaults.h>

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/* Perform the I/O control operation specified by REQUEST on FD.

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One argument may follow; its presence and type depend on REQUEST.

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Return value depends on REQUEST. Usually -1 indicates error. */

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extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;

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__END_DECLS

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#endif /* sys/ioctl.h */

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