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.\" Copyright (c) OpenBSD Group
.\" 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. 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.
.\"
.\" Converted into a manpage again by Martin Schulze <joey@infodrom.org>
.\"
.\" Japanese Version Copyright (c) 2002 Yuichi SATO
.\" all rights reserved.
.\" Translated Tue Jan 22 21:42:05 JST 2002
.\" by Yuichi SATO <ysato@h4.dion.ne.jp>
.\"
.\"WORD: tty ü
.\"WORD: pseudo-tty ü
.\"
.TH OPENPTY 3 "2001-12-13" "BSD MANPAGE" "Linux Programmer's Manual"
.SH ̾
openpty, login_tty, forkpty \- ü (tty) 桼ƥƥؿ
.SH
.B #include <pty.h>
\ /* openpty forkpty */
.br
.B #include <utmp.h>
/* login_tty */
.sp
.BI "int openpty(int *" amaster ", int *" aslave ", char *" name ", struct termios *" termp ", struct winsize * " winp );
.sp
.BI "int login_tty(int " fd );
.sp
.BI "pid_t forkpty(int *" amaster ", char *" name ", struct termios *" termp ", struct winsize *" winp );
.SH
.B openpty()
ؿϻѲǽʵü (pseudo-tty) Ĥơ
ޥȥ졼֤Υեǥץ
.I amaster
.I aslave
֤
.I name
NULL Ǥʤ硢졼֤Υե̾
.I name
֤롣
.I termp
NULL Ǥʤ硢졼֤üѥ
.I termp
ͤꤵ롣
.I winp
NULL Ǥʤ硢졼֤Υɥ
.I winp
ꤵ롣
.B login_tty()
ؿü
.I fd
(ºݤüǥХޤ
.BR openpty()
֤뵿üΥ졼)
˥롣
ΤȤå졢
ȥץüǤ
.I fd
롣
.I fd
Ȥɸϡɸϡɸ२顼Υȥꤷ
.I fd
롣
.B forkpty()
ؿ
.BR openpty() ,
.BR fork() ,
.B login_tty()
ȹ礻ü뿷ץ롣
üΥޥ¦Υեǥץ
.I amaster
֤졢
.I name
NULL Ǥʤˤϡ졼֤Υե̾
.I name
֤롣
.I termp
.I winp
ѥϡNULL ǤʤС
üΥ졼¦ü°ȥɥꤹ롣
.SH ֤
.BR openpty() ,
.BR login_tty() ,
.B forkpty()
θƤӽФʤä硢
-1 ֤ơ
.I errno
ϥ顼ͤꤵ롣
硢
.BR openpty() ,
.B login_tty()
.B forkpty()
λҥץ 0 ֤
.B forkpty()
οƥץϻҥץΥץ ID ֤
.SH 顼
ʲξ
.B openpty()
ϼԤ:
.TP
.B ENOENT
Ѳǽüʤ
.LP
.B ioctl()
.I fd
ȥץüꤹΤ˼Ԥ硢
.B login_pty()
ϼԤ롣
.LP
.B openpty()
ޤ
.B fork()
Τɤ餫Ԥ硢
.B forkpty()
ϼԤ롣
.SH ե
.I /dev/[pt]ty[pqrstuwxyzabcdePQRST][0123456789abcdef]
.SH
δؿ BSD ˤꡢlibc5 glibc2 ¸ߤ롣
.SH Ϣ
.BR fork (2)
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