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.\" This manpage is Copyright (C) 1992 Drew Eckhardt;
.\"                               1993 Ian Jackson.
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.\" Modified 1993-07-24 by Rik Faith <faith@cs.unc.edu>
.\" Modified 1996-09-08 by Arnt Gulbrandsen <agulbra@troll.no>
.\" Modified 1997-01-31 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 2001-05-17 by aeb
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
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.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Fri Dec 12 00:42:31 JST 1997
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified Tue Sep  5 02:03:33 JST 2000
.\"         by Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Modified Sat Jun  2 08:48:36 JST 2001 by Yuichi SATO
.\" Modified Sun Jul  7 02:58:51 JST 2002 by Yuichi SATO
.\" Updated & Modified Sun Jan  9 23:28:11 JST 2005
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.\"WORD:	filesystem		ե롦ƥ
.\"WORD:	link			
.\"WORD:	open			ץ
.\"WORD:	close			
.\"WORD:	symbolic link		ܥå
.\"WORD:	descriptor		ǥץ
.\"WORD:	socket			å
.\"WORD:	device			ǥХ
.\"WORD:	effective UID		¸桼ID
.\"WORD:	sticky-bit		ƥåӥå
.\"WORD:	dangling symbolic link	줿ܥå
.\"WORD:	memory			
.\"WORD:	protocol		ץȥ
.\"
.TH UNLINK 2 2004-06-23 "Linux" "Linux Programmer's Manual"
.SH ̾
unlink \- ̾ˤäƤϤ줬ȤƤե
.SH 
.B #include <unistd.h>
.sp
.BI "int unlink(const char *" pathname );
.SH 
.BR unlink ()
ϥե롦ƥ (filesystem) ̾롣
⤷̾եؤκǸΥ (link) Ǥꡢ
ɤΥץ⤽Υե򥪡ץ (open) ƤʤС
եϺ롣
ե뤬ѤƤǥΰϺѤǽˤʤ롣

⤷̾եؤκǸΥ󥯤ɤ줫Υץ
Υեޤץ󤷤Ƥϡ
Υե򻲾ȤƤǸΥե롦ǥץ (file descriptor)
 (close) ޤǥե¸ߤ³롣

⤷̾ܥå (symbolic link) 򻲾ȤƤС
󥯤Ϻ롣

⤷̾å (socket)  fifo ǥХ (device) 򻲾ȤƤ
̾Ϻ뤬Υ֥Ȥ򥪡ץ󤷤Ƥץ
Ȥ³뤳ȤǤ롣
.SH ֤
 0 ֤顼ʤ \-1 ֤
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EACCES
.I pathname
ޤǤǥ쥯ȥν񤭹ߵĤץμ¸ (effective)
桼 ID ͿƤʤ
.I pathname
Υǥ쥯ȥΤɤ줫˸ĤͿƤʤ
.RB ( path_resolution (7)
⻲Ȥ뤳)
.TP
.BR EBUSY " (Linux ʳ)"
ե
.I pathname
ƥޤ¾ΥץˤäƻѤƤ
󥯤ǤʤäΤǡμǤϥ顼Ȥ
.TP
.B EFAULT
.I pathname
ǽʥɥ쥹֤γؤƤ롣
.TP
.B EIO
I/O 顼ȯ
.TP
.B EISDIR
.I pathname
ǥ쥯ȥ򻲾ȤƤ롣
( POSIX ǵꤵƤʤͤǡLinux 2.1.132 ʹߤ֤롣)
.TP
.B ELOOP
.I pathname
褹ݤܥå󥯤¿᤮롣
.TP
.B ENAMETOOLONG
.IR pathname " Ĺ᤮롣"
.TP
.B ENOENT
.I pathname
бΤ¸ߤʤ줿ܥå󥯤Ǥ뤫
.I pathname
Ǥ롣
.TP
.B ENOMEM
ʬʥͥ (kernel) Υ꡼ѤǤʤ
.TP
.B ENOTDIR
.I pathname
Υǥ쥯ȥʬºݤˤϡǥ쥯ȥǤʤ
.TP
.B EPERM
ƥबǥ쥯ȥФ unlink ĤƤʤ
ޤϥǥ쥯ȥФ unlink Τɬפø
ƤӽФΥץäƤʤ
( POSIX ǵꤵƤ륨顼֤Ǥ롣
Ҥ̤ꡢξˤ Linux 
.B EISDIR
֤)
.TP
.BR EPERM " (Linux Τ)"
ե륷ƥबեФ unlink Ƥʤ
.TP
.BR EPERM " ޤ " EACCES
.I pathname
ޤǤǥ쥯ȥ˥ƥåӥå (sticky-bit)
.RB ( S_ISVTX )
ꤵƤơץμ¸桼 ID 褦Ȥե
UID Ǥ⤽ޤǤǥ쥯ȥΤΤǤʤ
ĥץøʤ (Linux Ǥ
.B CAP_FOWNER
ѥӥƥ (capability) ʤ)
.TP
.B EROFS
.I pathname
ɤ߹ѤΥե롦ƥΥե򻲾ȤƤ롣
.SH 
SVr4, 4.3BSD, POSIX.1-2001.
.\" SVr4 ˤ¾ EINTR, EMULTIHOP, ETXTBSY, ENOLINK 顼ˤĤƤ
.\" Ҥ롣
.SH Х
NFS ץȥ (protocol) Ūɤˤꡢ
ޤΥեξǤȤ롣
.SH Ϣ
.BR rm (1),
.BR chmod (2),
.BR link (2),
.BR mknod (2),
.BR open (2),
.BR rename (2),
.BR rmdir (2),
.BR unlinkat (2),
.BR mkfifo (3),
.BR remove (3),
.BR path_resolution (7)