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.\" Copyright (c) 1983, 1991 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"     @(#)readlink.2	6.8 (Berkeley) 3/10/91
.\"
.\" Modified Sat Jul 24 00:10:21 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Tue Jul  9 23:55:17 1996 by aeb
.\" Modified Fri Jan 24 00:26:00 1997 by aeb
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Fri Dec 12 00:11:26 JST 1997
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD:	symbolic link		ܥå
.\"WORD:	buffer			Хåե
.\"WORD:	NUL			̥ʸ
.\"WORD:	global variable		Хѿ
.\"WORD:	directory		ǥ쥯ȥ
.\"
.TH READLINK 2 "21 August 1997" "Linux 2.0.30" "Linux Programmer's Manual"
.SH ̾
readlink \- ܥå󥯤ͤɤ
.SH 
.B #include <unistd.h>
.sp
.BI "int readlink(const char *" path ", char *" buf ", size_t " bufsiz );
.SH 
.B readlink

.I path
Ϳ줿ܥå󥯤Ƥ
.IR buf 
ХåեسǼ롢
.IR buf 
Υ
.IR bufsiz 
Ǥ롣
.B readlink
 
.B ̥(NUL)ʸ

.IR buf 
ɲäʤ
ƤǼΤ˥Хåե᤮ϡ(
.I bufsiz
ХȤĹ)Ƥڤͤ롣
.SH ֤
ˤϥХåե˳Ǽ줿ʸ֤顼
äˤ \-1 ֤
.IR errno 
˥顼ɤǼ롣
.SH 顼
.TP
.B ENOTDIR
ѥΥǥ쥯ȥʬǥ쥯ȥǤʤ
.TP
.B EINVAL
.I bufsiz
Ǥʤ
.TP
.B ENAMETOOLONG
pathname  pathname ΰʬĹ᤮롣
.TP
.B ENOENT
̾Υե뤬¸ߤʤ
.TP
.B EACCES
ѥΥǥ쥯ȥʬ˸ĤͿƤʤ
.TP
.B ELOOP
pathname ˥ܥå󥯤¿롣
.TP
.B EINVAL
ꤷե뤬ܥå󥯤Ǥʤ
.TP
.B EIO
ե롦ƥɤ߹ I/O 顼ä
.TP
.B EFAULT
.I buf
ץ˳Ƥ줿ɥ쥹֤γؤƤ롣
.TP
.B ENOMEM
ͥ˽ʬʥ꤬ʤ
.SH 
4.4BSD (
.B readlink
ؿ 4.2BSD Ǹ줿)
.SH Ϣ
.BR stat (2),
.BR lstat (2),
.BR symlink (2)