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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" This manpage is Copyright (C) 1992 Drew Eckhardt;
.\" 1993 Ian Jackson.
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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 Sat Jul 24 13:00:50 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Sun Sep 8 18:59:01 1996 by aeb following remarks by
.\" Arnt Gulbrandsen <agulbra@troll.no>
.\" Modified Fri Jan 31 23:49:15 1997 by Eric S. Raymond <esr@thyrsus.com>
.\"
.\" 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>
.\"
.\"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 "21 August 1997" "Linux 2.0.30" "Linux Programmer's Manual"
.SH ̾
unlink \- ̾롢ˤäƤϤ줬ȤƤ
ե
.SH
.B #include <unistd.h>
.sp
.BI "int unlink(const char *" pathname );
.SH
.B unlink
ϥե롦ƥ(filesystem)̾롣⤷̾
եؤκǸΥ(link)ǤɤΥץ⤽Υե
ץ(open)ƤʤСեϺ롣ե뤬
ƤǥΰϺѤǽˤʤ롣
⤷̾եؤκǸΥɤ줫Υץ
ΥեޤץƤϡ
ΥեȤƤǸΥե롦ǥץ(file descriptor)
(close)ޤǥե¸ߤ³롣
⤷̾ܥå(symbolic link)ȤС
Ϻ롣
⤷̾å(socket) fifo ǥХ(device)ȤƤ
̾Ϻ뤬Υ֥ȤץƤץ
Ȥ³뤳ȤǤ롣
.SH ֤
ϥ֤顼ʤ \-1 ֤
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EACCES
.I pathname
ޤǤǥ쥯ȥνߵĤץμ¸(effective)
桼ID ͿƤʤ
.I pathname
Υǥ쥯ȥΤɤ줫˸(¹)ĤͿƤʤ
.TP
.BR EPERM " ޤ " EACCES
.I pathname
ޤǤǥ쥯ȥ˥ƥåӥå(sticky-bit)
.RB ( S_ISVTX )
ꤵƤơץμ¸桼ID 褦Ȥե
uid Ǥ⤽ޤǤǥ쥯ȥΤΤǤʤޤ
.I pathname
ǥ쥯ȥǤ롣
.TP
.B EPERM
.I pathname
Υե뤬ǥ쥯ȥǤ롣
.TP
.TP
.B EFAULT
.I pathname
ǽʥɥ쥹֤γؤƤ롣
.TP
.B ENAMETOOLONG
.IR pathname " Ĺ롣"
.TP
.B ENOENT
.I pathname
Υǥ쥯ȥʬ¸ߤʤ줿ܥåǤ롣
.TP
.B ENOTDIR
.I pathname
Υǥ쥯ȥʬºݤˤϡǥ쥯ȥǤʤ
.TP
.B EISDIR
.I pathname
ǥ쥯ȥȤƤ롣
.TP
.B ENOMEM
ʬʥͥ(kernel)ΥѤǤʤ
.TP
.B EROFS
.I pathname
ɤ߹ѤΥե롦ƥΥեȤƤ롣
.TP
.B ELOOP
.IR pathname
褹ݤܥå¿롣
.TP
.B EIO
I/O 顼ȯ
.SH
SVr4, SVID, POSIX, X/OPEN, 4.3BSD. SVr4 ˤ¾
EBUSY, EINTR, EMULTIHOP, ETXTBUSY, ENOLINK 顼ˤĤƤ
Ҥ롣
.SH Х
NFS ץȥ(protocol)ŪɤˤޤΥե
ξǤȤ롣
.SH Ϣ
.BR link (2),
.BR rename (2),
.BR open (2),
.BR rmdir (2),
.BR mknod (2),
.BR mkfifo (3),
.BR remove (3),
.BR rm (1)
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