56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
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/* Copyright (C) 1991-2022 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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<https://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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#ifndef __USE_TIME_BITS64
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extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT_NTH (ioctl, (int __fd, unsigned long int __request, ...),
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__ioctl_time64);
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# else
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extern int __ioctl_time64 (int __fd, unsigned long int __request, ...) __THROW;
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# define ioctl __ioctl_time64
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# endif
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#endif
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__END_DECLS
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#endif /* sys/ioctl.h */
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