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.\" Converted into a manpage again by Martin Schulze <joey@infodrom.org>
.\"
.\" Added -lutil remark, 030718
.\"
.\" 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>
.\" Updated Mon Mar  8 2003 by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated Sun Sep 14 2003 by Akihiro MOTOKI
.\"
.\"WORD:	tty		ü
.\"WORD:	pseudo-tty	ü
.\"
.TH OPENPTY 3  2003-07-18 "GNU" "Linux Programmer's Manual"
.SH ̾
openpty, login_tty, forkpty \- ü (tty) 桼ƥƥؿ
.SH 
.nf
.B #include <pty.h>
.sp
.BI "int openpty(int *" amaster ", int *" aslave ", char *" name ,
.BI "            struct termios *" termp ", struct winsize *" winp );
.sp
.BI "pid_t forkpty(int *" amaster ", char *" name ", struct termios *" termp ,
.BI "              struct winsize *" winp );
.sp
.B #include <utmp.h>
.sp
.BI "int login_tty(int " fd );
.sp
\fI\-lutil\fP ǥ󥯤롣
.fi
.SH 
.BR openpty ()
ؿϡѲǽʵü (pseudo-terminal) 򸫤Ĥơ
ޥȥ졼֤Υե롦ǥץ
.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

.BR login_tty ()
ؿϡü
.I fd
˥󤹤򤹤
.RI ( fd
ϼºݤüǥХǤ⡢
.BR openpty ()
֤뵿üΥ졼֤Ǥ褤)
Ūˤϡå
.I fd
ƤӽФΥץüȤ
ƤӽФɸϡɸϡɸ२顼Υȥ꡼
.I fd
ꤷ塢
.I fd
򥯥롣

.BR forkpty ()
ؿ
.BR openpty (),
.BR fork (2),
.BR login_tty ()
Ȥ߹碌ü뿷ץ롣
üΥޥ¦Υե롦ǥץ
.I amaster
֤졢
.I name
 NULL Ǥʤˤϡ졼֤Υե̾
.I name
֤롣
.I termp

.I winp
ѥ᡼ϡNULL ǤʤС
üΥ졼¦ü°ȥɥꤹ롣
.SH ֤
.BR openpty (),
.BR login_tty (),
.BR forkpty ()
θƤӽФʤä硢
\-1 ֤ơ
.I errno
ϥ顼򼨤ͤꤵ롣
硢
.BR openpty (),
.BR login_tty ()
	
.BR forkpty ()
λҥץ 0 ֤
.BR forkpty ()
οƥץϻҥץΥץ ID ֤
.SH 顼
ʲξ
.BR openpty ()
ϼԤ:
.TP
.B ENOENT
Ѳǽüʤ
.LP
.BR ioctl (2)

.I fd
ƤӽФΥץüꤹΤ˼Ԥ硢
.BR login_tty ()
ϼԤ롣
.LP
.BR openpty ()
ޤ
.BR fork (2)
Τɤ餫Ԥ硢
.BR forkpty ()
ϼԤ롣
.SH 
 BSD δؿǤꡢlibc5  glibc2 ¸ߤ롣
.SH 
.\" δؿ libutil ˴ޤޤƤ롣äơѥ
.\" ץ
.\" .B \-lutil
.\" äɬפ롣
.\"
2.0.92 ΥС glibc Ǥϡ
.BR openpty ()
 BSD üڥΥե롦ǥץ֤
2.0.92 ʹߤ glibc Ǥϡ
.BR openpty ()
Ϥޤ Unix 98 üڥ򥪡ץ󤷤褦Ȥ˼Ԥ
BSD üڥΥץؤȰܹԤ롣
.SH Х
ï
.I name
ФƤɤΤ餤礭ͽ󤷤ƤФʬʤ
äơNULL Ǥʤ
.I name
Ȥ
.BR openpty ()

.BR forkpty ()
ƤӽФΤϰǤȤϸʤ
.SH Ϣ
.BR fork (2),
.BR pty (7)