doc/ja/man/man5/dir.5

.\" Copyright (c) 1983, 1991, 1993
.\"	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:
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.\"    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
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\"     @(#)dir.5	8.3 (Berkeley) 4/19/94
.\"	%Id: dir.5,v 1.9 1998/02/24 02:39:00 bde Exp %
.\"
.\" jpman %Id: dir.5,v 1.3 1998/07/19 22:22:07 yohta Stab %
.\"
.\" WORD: graft Àܹç [mount.8]
.Dd April 19, 1994
.Dt DIR 5
.Os BSD 4.2
.Sh ̾¾Î
.Nm dir ,
.Nm dirent
.Nd ¥Ç¥£¥ì¥¯¥È¥ê¥Õ¥¡¥¤¥ë¥Õ¥©¡¼¥Þ¥Ã¥È
.Sh ½ñ¼°
.Fd #include <sys/types.h>
.Fd #include <dirent.h>
.Sh ²òÀâ
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.\" °Ê²¼¤Î3¹Ô¤Ï±Ñ¸ìÈǤ˥³¥á¥ó¥È¤Î·Á¤Ç´Þ¤Þ¤ì¤Æ¤¤¤¿¤â¤Î
.\" An entry in this tree,
.\" nested or not nested,
.\" is a pathname.
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.Aq sys/dirent.h
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(¤³¤ì¤ÏľÀÜ¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤«¤é¤Ï¥¤¥ó¥¯¥ë¡¼¥É¤µ¤ì¤Þ¤»¤ó):
.Bd -literal
#ifndef	_SYS_DIRENT_H_
#define	_SYS_DIRENT_H_

/*
 * dirent ¹½Â¤ÂΤϡ¢getdirentries(2) ¥·¥¹¥Æ¥à¥³¡¼¥ë¤ÇÊÖ¤µ¤ì¤ë
 * ¥Ç¥£¥ì¥¯¥È¥ê¥¨¥ó¥È¥ê¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤òÄêµÁ¤·¤Þ¤¹¡£
 *
 * ¥Ç¥£¥ì¥¯¥È¥ê¥¨¥ó¥È¥ê¤Ï¤½¤ÎÀèƬ¤Ë dirent ¹½Â¤ÂΤò»ý¤Á¤Þ¤¹¡£dirent 
 * ¹½Â¤ÂÎ¤Ï inode Èֹ桢¤½¤Î¥¨¥ó¥È¥ê¤ÎŤµ¡¢¤½¤Î¥¨¥ó¥È¥ê¤Ë´Þ¤Þ¤ì¤ë
 * ̾Á°¤ÎŤµ¤òÊÝ»ý¤·¤Þ¤¹¡£¤½¤Î¸å¤Ë¡¢¥Ê¥ë¤Ç 4 ¥Ð¥¤¥È¶­³¦¤Þ¤Ç¥Ñ¥Ç¥£¥ó¥°
 * ¤·¤¿Ì¾Á°¤¬Â³¤­¤Þ¤¹¡£Ì¾Á°¤ÏÁ´¤Æ¥Ê¥ë¤Ç½ªÃ¼¤·¤Æ¤¤¤ë¤³¤È¤¬Êݾڤµ¤ì¤Þ¤¹¡£
 * ¥Ç¥£¥ì¥¯¥È¥êÃæ¤Î̾Á°¤ÎŤµ¤ÎºÇÂçÃÍ¤Ï MAXNAMLEN ¤Ç¤¹¡£
 */

struct dirent {
	u_int32_t d_fileno;		/* ¥¨¥ó¥È¥ê¤Î¥Õ¥¡¥¤¥ëÈÖ¹æ */
	u_int16_t d_reclen;		/* ¤³¤Î¥ì¥³¡¼¥É¤ÎŤµ */
	u_int8_t  d_type; 		/* ¥Õ¥¡¥¤¥ë¥¿¥¤¥×, °Ê²¼»²¾È */
	u_int8_t  d_namlen;		/* d_name ¤Îʸ»úÎóĹ */
#ifdef _POSIX_SOURCE
	char	d_name[255 + 1];	/* ̾Á°¤Ï¤³¤ÎŤµ¤ò±Û¤¨¤Æ¤Ï¤Ê¤é¤Ê¤¤ */
#else
#define MAXNAMLEN       255
	char    d_name[MAXNAMLEN + 1];  /* ̾Á°¤Ï¤³¤ÎŤµ¤ò±Û¤¨¤Æ¤Ï¤Ê¤é¤Ê¤¤ */
#endif

};

/*
 * ¥Õ¥¡¥¤¥ë¥¿¥¤¥×
 */
#define	DT_UNKNOWN	 0
#define	DT_FIFO		 1
#define	DT_CHR		 2
#define	DT_DIR		 4
#define	DT_BLK		 6
#define	DT_REG		 8
#define	DT_LNK		10
#define	DT_SOCK		12
#define	DT_WHT		14

/*
 * stat ¹½Â¤Âη¿¤È¥Ç¥£¥ì¥¯¥È¥ê·¿¤È¤ÎÊÑ´¹
 */
#define	IFTODT(mode)	(((mode) & 0170000) >> 12)
#define	DTTOIF(dirtype)	((dirtype) << 12)

/*
 * _GENERIC_DIRSIZ ¥Þ¥¯¥í¤Ï¥Ç¥£¥ì¥¯¥È¥ê¥¨¥ó¥È¥ê¤òÊÝ»ý¤¹¤ëºÇ¾®¥ì¥³¡¼¥ÉŤò
 * Í¿¤¨¤Þ¤¹¡£¤³¤ì¤Ï d_name ¥Õ¥£¡¼¥ë¥É°Ê³°¤Î dirent ¹½Â¤ÂΤζõ´Ö¤Ë¡¢¥Ê¥ë
 * ¥Ð¥¤¥È¤Ç½ªÃ¼¤µ¤ì¤ë̾Á°¤Î¤¿¤á¤Ë½½Ê¬¤Ê¶õ´Ö (dp->d_namlen+1) ¤ò²Ã¤¨¤¿¤â¤Î
 * ¤ò¡¢4 ¥Ð¥¤¥Èñ°Ì¤Ç·«¤ê¾å¤²¤¿¤â¤Î¤Ç¤¹¡£
 */
#define	_GENERIC_DIRSIZ(dp) \
    ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))

#ifdef KERNEL
#define	GENERIC_DIRSIZ(dp)	_GENERIC_DIRSIZ(dp)
#endif

.Ed
.Sh ´ØÏ¢¹àÌÜ
.Xr fs 5 ,
.Xr inode 5
.Sh Îò»Ë
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