.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"     @(#)ioctl.2	6.4 (Berkeley) 3/10/91
.\"
.\" Modified Fri Jul 23 21:38:19 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Tue Oct 22 00:22:35 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified Fri Jun 25 23:51:39 BST 1999 by Rachael Munns <vashti@dream.org.uk>
.\"
.\" Japanese Version Copyright (c) 1997-1999 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Sat Aug 14 10:10:27 JST 1999
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD:	device			ǥХ
.\"WORD:	control			椹
.\"WORD:	special			ڥ
.\"WORD:	character		饯
.\"WORD:	parameter		ѥ᡼
.\"WORD:	operate			
.\"WORD:	open			ץ
.\"WORD:	request			ꥯ
.\"WORD:	descriptor		ǥץ
.\"WORD:	argument		
.\"WORD:	encode			󥳡
.\"
.TH IOCTL 2 "23 July 1993" "BSD Man Page" "Linux Programmer's Manual"
.SH ̾
ioctl \- ǥХ(device)椹
.SH 
.B #include <sys/ioctl.h>
.sp
.BI "int ioctl(int " d ", int " request ", ...)"
.sp
[ܤΰŪ \fBchar *\fIargp\fR Ȥ뤿ᡢʸ
Ǥ⤽Τ褦̾դƤ]
.SH 
.B ioctl
ؿϥڥ롦եǥХΥѥ᡼
롣äˡ饯ڥ롦ե(㤨ü(terminal))
ǽ
.B ioctl
ꥯȤˤä椹뤳ȤǤ롣
.I d
ϥץ󤵤줿ե롦ǥץǤʤФʤʤ

ioctl 
.I request
ˤϰ
.I 
ѥ᡼
.I 
ѥ᡼Τɤ餫ȡ
.I argp
礭Хȿǥ󥳡ɤ롣
 ioctl 
.I request
Ѥ뤿Υޥ(macro)
.IR <sys/ioctl.h> 
եˤ롣
.SH ֤
ϥ֤롣顼ξ \-1 ֤졢
.I errno
Ŭڤꤵ롣
.SH 顼
.TP 0.7i
.B EBADF
.I d
ͭʥǥץǤϤʤ
.TP
.B EFAULT
.I argp
Բǽʥ򻲾ȤƤ롣
.TP
.B ENOTTY
.I d
饯ڥ롦ǥХ򻲾ȤƤʤ
.TP
.B ENOTTY
ꤵ줿ꥯȤϥǥץ
.I d 
ȤΥ֥ȤˤŬѤ뤳ȤǤʤ
.TP
.B EINVAL
.I request
ޤ
.I argp
Ǥ롣
.SH 
ɤ줫ĤɸбƤ櫓ǤϤʤ
.BR ioctl (2) 
ΰ֤͡ˤʤäƤǥХɥ饤СȤ
ۤʤäƤ(Υ餫 Unix  
ȥ꡼ I/O ǥ ˻ʤΤ˻ѤƤ)
褯ΤƤ
.B ioctl
ΥꥹȤˤĤƤ
.BR ioctl_list (2)
򻲾Ȥ뤳ȡ
.B ioctl
ؿ Version 7 AT&T Unix Ǹ줿

.SH Ϣ
.BR execve (2),
.BR fcntl (2),
.BR mt (4),
.BR sd (4),
.BR tty (4)