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.\" (c) 2000 by Michael Kerrisk (michael.kerrisk@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.\" manual page may be incorrect or out-of-date.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 Sat 31 Mar 2001 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.TH DIRNAME 3  "December 14, 2000" "GNU" "Linux Programmer's Manual"
.SH ̾
dirname, basename \- ѥ̾ѡƳʬФ
.SH 
.nf
.B #include <libgen.h>
.sp
.BI "char *dirname(char *" path );
.nl
.BI "char *basename(char *" path );
.fi
.SH 
.B dirname

.B basename
ϡNUL ʸǽü줿ѥ̾ʸ
ǥ쥯ȥʬե̾ʬʬ䤹롣
̾ξ
.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 ݥ󥿡äꡢʸؤƤϡ
.B dirname

.B basename
ʸ "." ֤
.PP
.B dirname
֤ʸ "/"
.B basename
֤ʸ
˷礹ȡʥѥ̾롣
.PP
.B dirname

.B basename
ϡ
.I path
Ƥѹ뤳Ȥ롣
äƥѥ̾ʸ¸ϡ
δؿˤϥԡϤȡ

.B dirname

.B basename
ϡŪ˳Ƥ줿ؤΥݥ󥿡֤Ȥꡢ
ΰϸδؿƤӽФǾ񤭤뤫⤷ʤ
.PP
ʲΰϢ (SUSv2 Τä) ϡ
 path Ф
.B dirname

.B basename
֤ʸɽΤǤ롣
.sp
.nf
.B 
path  		dirname		basename
"/usr/lib"	"/usr"		"lib"
"/usr/"		"/"  		"usr"
"usr"		"."  		"usr"
"/"  		"/"  		"/"
"."  		"."  		"."
".."  		"."  		".."
.fi
.SH 
.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);
free(dirc);
free(basec);
.fi
.SH ֤
.B dirname

.B basename
ϡ NUL ʸǽü줿ʸؤΥݥ󥿤֤
.SH Х
С 2.2.1 Ӥ glibc Ǥϡ
.B dirname
 '/' ʸˤʤäƤѥ̾ʤä
ޤ NULL ȥơȿ򵯤
.SH 
SUSv2
.SH Ϣ
.BR dirname (1),
.BR basename (1)