.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" This manpage is Copyright (C) 1992 Drew Eckhardt;
.\"                               1993 Michael Haardt, Ian Jackson.
.\"
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.\" preserved on all copies.
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.\" manual under the conditions for verbatim copying, provided that the
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.\" responsibility for errors or omissions, or for damages resulting from
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.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
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.\" Modified 1993-07-23 by Rik Faith <faith@cs.unc.edu>
.\" Modified 1994-08-21 by Michael Haardt
.\" Modified 2004-06-23 by Michael Kerrisk <mtk.manpages@gmail.com>
.\" Modified 2005-04-04, as per suggestion by Michael Hardt for rename.2
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Thu Dec 11 23:47:55 JST 1997
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated & Modified Tue Feb  8 06:36:08 JST 2005
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated & Modified Fri Apr 22 02:05:00 JST 2005 by Yuichi SATO
.\"
.\"WORD:	link			
.\"WORD:	hard link		ϡɡ
.\"WORD:	overwrite		
.\"WORD:	permission		(permission)
.\"WORD:	ownership		ͭ(ownership)
.\"WORD:	filesystem		ե롦ƥ
.\"WORD:	effective uid		¸桼ID
.\"WORD:	kernel			ͥ
.\"WORD:	symbolic link		ܥå
.\"WORD:	dangling symbolic link	줿ܥå
.\"WORD:	directory entry		ǥ쥯ȥꡦȥ
.\"
.TH LINK 2 2004-06-23 "Linux" "Linux Programmer's Manual"
.SH ̾
link \- եο̾
.SH 
.B #include <unistd.h>
.sp
.BI "int link(const char *" oldpath ", const char *" newpath );
.SH 
.BR link ()
¸ߤեؤο (link)
(ϡɡ (hard link) Ȥ⤤) 롣

.I newpath
¸ߤˤϾ񤭤\fIʤ\fR

ο̾ƤˤƸŤ̾ȴƱ褦˻Ѥ;
ξ̾Ʊե򻲾ȤƤ
(Ʊ (permission) ͭ (ownership) ȤʤΤ)
ɤ̾ΤΤǤ뤫Ƚ̤Ǥʤ
.SH ֤
 0 ֤롣顼ξ \-1 ֤졢
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EACCES
.I newpath
ޤǤǥ쥯ȥؤν񤭹ߤƤʤ
.I oldpath
ޤ
.I newpath
ؤΥǥ쥯ȥΤɤ줫˸Ĥʤ
.RB ( path_resolution (7)
򻲾)
.TP
.B EEXIST
.I newpath
¸ߤ롣
.TP
.B EFAULT
.IR oldpath " ޤ " newpath "
ǽʥɥ쥹֤γؤƤ롣
.TP
.B EIO
I/O 顼ȯ
.TP
.B ELOOP
.IR oldpath " ޤ " newpath
褹ݤܥå󥯤¿᤮롣
.TP
.B EMLINK
.I oldpath
ˤäƻȤե
˺ޤǤΥ󥯤äƤ롣
.TP
.B ENAMETOOLONG
.IR oldpath " ޤ " newpath "
Ĺ᤮롣
.TP
.B ENOENT
.IR oldpath " ޤ " newpath
Υǥ쥯ȥʬ¸ߤʤ
줿(dangling)ܥå󥯤Ǥ롣
.TP
.B ENOMEM
ͥ˽ʬʥ꤬ʤ
.TP
.B ENOSPC
ΥեޤǤǥХ˿ǥ쥯ȥꡦȥ
뤿ζʤ
.TP
.B ENOTDIR
.IR oldpath " ޤ " newpath
Υǥ쥯ȥʬºݤˤϡǥ쥯ȥǤʤ
.TP
.B EPERM
.I oldpath
ǥ쥯ȥǤ롣
.TP
.B EPERM
.IR oldpath "  " newpath
ޤǤե롦ƥबϡɡ󥯤򥵥ݡȤƤʤ
.TP
.B EROFS
ե뤬ɤ߹ѤΥե롦ƥ¸ߤ롣
.TP
.B EXDEV
.IR oldpath "  " newpath
ƱޥȤ줿ե롦ƥ¸ߤʤ
(Linux  1 ĤΥե롦ƥʣΥޥȰ֤
ޥȤ뤳ȤĤƤ롣

.BR link ()
ϡȤƱե롦ƥǤäƤ⡢
̡ΥޥȰ֤٤Ǥưʤ)
.SH 
SVr4, 4.3BSD, POSIX.1-2001 (ʳ).
.\" SVr4 ¾ ENOLINK, EMULTIHOP 顼֤ˤĤƤ⵭ҤƤ롣
.\" POSIX.1 ˤ ELOOP ˤĤƤεҤϤʤ
.\" X/OPEN ˤ EFAULT, ENOMEM, EIO ˤĤƤεҤϤʤ
.SH 
.BR link ()
ǥե롦ƥĶƥϡɡ󥯤뤳ȤϤǤʤ
Τ褦ʾ
.BR symlink (2)
Ѥ뤳ȡ

POSIX.1-2001 Ǥϡ
.I oldpath
ܥå󥯤Ǥ硢
.BR link ()

.I oldpath
λȤ褹٤ǤȵҤƤ롣
Linux ϤΤ褦ˤƤʤ
.I oldpath
ܥå󥯤Ǥ硢
.I newpath
Ʊܥå󥯥եؤ (ϡ) 󥯤Ȥƺ
(Ĥޤ
.I newpath

.I oldpath
ȤƤƱեؤΥܥå󥯤ˤʤ)
¾ΤĤμǤ Linux Ʊ褦ư롣
.\" 㤨СǥեȤ Solaris ΥѥĶǤ
.\" Linux Ʊ褦ư롣 Austin ᡼󥰥ꥹȤ
.\" 2005 ǯ 3 ΥåɤƤͤϡ
.\" ¾ΤĤ (System V) ǤƱǤä/롢
.\" 𤷤Ƥ -- MTK, Apr 05
.SH Х
NFS ե롦ƥǤϡNFS С󥯤ˡ
˻ˤ֤ͤʾ礬롣
󥯤ǤɤĤ뤿ˤ
.BR stat (2)
Ѥ뤳ȡ
.SH Ϣ
.BR ln (1),
.BR linkat (2),
.BR open (2),
.BR rename (2),
.BR stat (2),
.BR symlink (2),
.BR unlink (2),
.BR path_resolution (7)