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01: /* Copyright (C) 1991, 92, 93, 94, 96, 98, 99 Free Software Foundation, Inc.
02:    This file is part of the GNU C Library.
03: 
04:    The GNU C Library is free software; you can redistribute it and/or
05:    modify it under the terms of the GNU Lesser General Public
06:    License as published by the Free Software Foundation; either
07:    version 2.1 of the License, or (at your option) any later version.
08: 
09:    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, write to the Free
16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17:    02111-1307 USA.  */
18: 
19: #ifndef _SYS_IOCTL_H
20: #define _SYS_IOCTL_H    1
21: 
22: #include <features.h>
23: 
24: __BEGIN_DECLS
25: 
26: /* Get the list of `ioctl' requests and related constants.  */
27: #include <bits/ioctls.h>
28: 
29: /* Define some types used by `ioctl' requests.  */
30: #include <bits/ioctl-types.h>
31: 
32: /* On a Unix system, the system <sys/ioctl.h> probably defines some of
33:    the symbols we define in <sys/ttydefaults.h> (usually with the same
34:    values).  The code to generate <bits/ioctls.h> has omitted these
35:    symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>
36:    to define them, so we must include <sys/ttydefaults.h> here.  */
37: #include <sys/ttydefaults.h>
38: 
39: /* Perform the I/O control operation specified by REQUEST on FD.
40:    One argument may follow; its presence and type depend on REQUEST.
41:    Return value depends on REQUEST.  Usually -1 indicates error.  */
42: extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
43: 
44: __END_DECLS
45: 
46: #endif /* sys/ioctl.h */
47: 

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