.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified 1993-07-21 by Rik Faith <faith@cs.unc.edu>
.\" Modified 1995-04-15 by Michael Chastain <mec@shell.portal.com>:
.\"   Added 'fchdir'. Fixed bugs in error section.
.\" Modified 1996-10-21 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 1997-08-21 by Joseph S. Myers <jsm28@cam.ac.uk>
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" Japanese Version Copyright (c) 1996 Yosiaki Yanagihara
.\"         all rights reserved.
.\" Translated 1996-06-24, Yosiaki Yanagihara <yosiaki@bsd2.kbnes.nec.co.jp>
.\" Modified 1997-12-13, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated & Modified 2005-02-05, Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated 2006-08-12, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.39
.\" Updated 2007-09-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.64
.\"
.TH CHDIR 2 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
chdir, fchdir \- ȥǥ쥯ȥѹ
.SH 
.B #include <unistd.h>
.sp
.BI "int chdir(const char *" path );
.br
.BI "int fchdir(int " fd );
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
.BR fchdir ():
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.SH 
.BR chdir ()
ϡƤӽФץθߤκȥǥ쥯ȥ (current working directory) 
.I path
˻ꤵ줿ǥ쥯ȥѹ롣
.PP
.BR fchdir ()
ϡǥ쥯ȥ꤬ץ󤵤줿ե롦ǥץȤ
ꤵʳϡ
.BR chdir ()
ƱǤ롣
.SH ֤
ȡ0 ֤Ԥȡ\-1 ֤
.I errno
Ŭڤͤ򥻥åȤ롣
.SH 顼
ե륷ƥˤäƤ¾Υ顼֤롣
.BR chdir ()
ǰŪʥ顼ʲ˵󤲤:
.TP
.B EACCES
.I path
ιǤΤ줫˸ (search permission) ʤ
.RB ( path_resolution (7)
⻲Ȥ뤳)
.TP
.B EFAULT
Ƥ줿ɥ쥹ֳ
.I path
ؤƤ롣
.TP
.B EIO
I/O 顼ȯ
.TP
.B ELOOP
.I path
褹ݤܥå󥯤¿᤮롣
.TP
.B ENAMETOOLONG
.I path
Ĺ᤮롣
.TP
.B ENOENT
Υǥ쥯ȥ¸ߤʤ
.TP
.B ENOMEM
ͥ˽ʬʥ꤬ʤ
.TP
.B ENOTDIR
.I path
ιǤǥ쥯ȥǤϤʤ
.PP
.BR fchdir ()
ǰŪʥ顼ʲ˵󤲤:
.TP
.B EACCES
.I fd
ǥ쥯ȥȤƥץ󤹤뤿θĤʤ
.TP
.B EBADF
.I fd
Ŭڤʥե롦ǥץǤʤ
.SH 
SVr4, 4.4BSD, POSIX.1-2001.
.SH 
ߤκȥǥ쥯ȥϡХѥ̾ ('/' ǻϤޤäƤʤѥ̾) 
᤹ݤγǤ롣

.BR fork (2)
Ǻ줿ҥץϡƥץθߤκȥǥ쥯ȥ
Ѿ롣
.BR execve (2)
ǡߤκȥǥ쥯ȥѹʤ

.BR fchdir ()
ΥץȥפͭˤʤΤϡ
.B _BSD_SOURCE
礫
.B _XOPEN_SOURCE
 500 ΤߤǤ롣
.SH Ϣ
.BR chroot (2),
.BR getcwd (3),
.BR path_resolution (7)