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.\" (c) 2000 by Michael Kerrisk (mtk-manpages@gmx.net)
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\" License.
.\" Created, 14 Dec 2000 by Michael Kerrisk
.\"
.\" Japanese Version Copyright (c) 2001 NAKANO Takeo all rights reserved.
.\" Translated 2001-03-31, NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated 2005-02-26, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.TH DIRNAME 3 2000-12-14 "GNU" "Linux Programmer's Manual"
.SH ̾
dirname, basename \- ѥ̾ϤƳʬФ
.SH
.nf
.B #include <libgen.h>
.sp
.BI "char *dirname(char *" path );
.nl
.BI "char *basename(char *" path );
.fi
.SH
ٹ:
.B basename
ˤϰۤʤС 2¸ߤ롣ȤΤȡ
.LP
.B dirname
.B basename
ϡNULL ǽü줿ѥ̾ʸ
ǥ쥯ȥʬե̾ʬʬ䤹롣
̾ϡ
.B dirname
ϺǸ '/' ޤǤʬ (Ǹ '/' ϴޤޤʤ) ֤
.B basename
ϺǸ '/' ʹߤʬ֤
ʸˤĤ '/' ʸϡѥ̾ΰȤϤߤʤʤ
.PP
.I path
'/' ʸʤϡ
.B dirname
ʸ "." ֤
.B basename
.I path
ƱƤ֤
.I path
ʸ "/" ϡ
.B dirname
.B basename
ʸ "/" ֤
.I path
NULL ݥäꡢʸؤƤϡ
.B dirname
.B basename
ʸ "." ֤
.PP
.B dirname
֤ʸ "/"
.B basename
֤ʸ
˷礹ȡʥѥ̾롣
.PP
.B dirname
.B basename
ϡ
.I path
Ƥѹ뤳Ȥ롣
äơδؿˤϥԡϤȡ
.B dirname
.B basename
ϡŪ˳Ƥ줿ؤΥݥ֤Ȥꡢ
ΰϸδؿƤӽФǾ뤫⤷ʤ
.PP
ʲΰϢ (SUSv2 ) ϡ
path Ф
.B dirname
.B basename
֤ʸɽΤǤ롣
.sp
.nf
.B
path dirname basename
"/usr/lib" "/usr" "lib"
"/usr/" "/" "usr"
"usr" "." "usr"
"/" "/" "/"
"." "." "."
".." "." ".."
.fi
.SH
.RS
.nf
char *dirc, *basec, *bname, *dname;
char *path = "/etc/passwd";
dirc = strdup(path);
basec = strdup(path);
dname = dirname(dirc);
bname = basename(basec);
printf("dirname=%s, basename=%s\\n", dname, bname);
.fi
.RE
.SH ֤
.B dirname
.B basename
ϡ NULL ǽü줿ʸؤΥݥ֤
.SH
.B basename
ˤ 2ΰۤʤС롣
Ĥϴ POSIX СǤǤꡢ
⤦Ĥ GNU СǰʲΤ褦ˤƻѤ롣
.br
.nf
.B " #define _GNU_SOURCE"
.br
.B " #include <string.h>"
.fi
GNU Сϰѹ뤳ȤϤʤ
.I path
'/'ξ϶ʸ֤
ä
.I path
"/" ξʸ֤
.B dirname
ˤ GNU СϤʤ
.LP
glibc Ǥϡ <libgen.h> 롼ɤ POSIX С
.B basename
Ѥ졢ʳξ GNU СȤʤ롣
.SH Х
glibc POSIX СμǤϡƤѹ졢
("/usr/" ʤɤ) ʸꤵ
ơեȤ
С 2.2.1 glibc Ǥϡ glibc
.B dirname
'/' ʸˤʤäƤѥ̾
NULL ȥơեȤ
.SH
POSIX 1003.1-2001
.SH Ϣ
.BR basename (1),
.BR dirname (1)
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