1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
.\" Copyright (C) 1995 Andries Brouwer (aeb@cwi.nl)
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Written 11 June 1995 by Andries Brouwer <aeb@cwi.nl>
.\" Modified 22 July 1995 by Michael Chastain <mec@duracef.shout.net>:
.\" In 1.3.X, returns only one entry each time; return value is different.
.\" Modified 2004-12-01, mtk, fixed headers listed in SYNOPSIS
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Sun Feb 23 21:06:24 JST 1997
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD: directory ǥ쥯ȥ
.\"WORD: entry ȥ
.\"WORD: kernel ͥ
.\"WORD: system call ƥࡦ
.\"WORD: memory
.\"WORD: inode number inode ֹ
.\"WORD: null ̥ʸ
.\"
.TH READDIR 2 2007-06-01 "Linux" "Linux Programmer's Manual"
.SH ̾
readdir \- ǥ쥯ȥꡦȥɤ߹
.SH
.nf
.B #include <linux/types.h>
.B #include <linux/dirent.h>
.sp
.BI "int readdir(unsigned int " fd ", struct dirent *" dirp ","
.BI " unsigned int " count );
.fi
.SH
Ϥʤζ̣äƤؿǤϤʤ
POSIX C 饤֥ꡦեˤĤƤ
.BR readdir (3)
뤳ȡ
ΥڡΥͥ롦ƥࡦ롦ե
ĤƵҤƤ롢ѹ졢
.BR getdents (2)
ˤä֤줿
.PP
.BR readdir ()
.I fd
ؤƤǥ쥯ȥ꤫
.I dirent
¤Τɤ߹ߡ
.I dirp
ǻؤ줿ΰ˳Ǽ롣
.I count
ѥ(ۤȤɤ
.I dirent
¤Τɤ߹ߤˤ)̵뤵
.PP
.I dirent
¤ΤϰʲΤ褦:
.PP
.in +4n
.nf
struct dirent {
long d_ino; /* inode number */
off_t d_off; /* offset to this \fIdirent\fP */
unsigned short d_reclen; /* length of this \fId_name\fP */
char d_name[NAME_MAX+1]; /* filename (null-terminated) */
}
.fi
.in
.PP
.I d_ino
inode ֹǤ롣
.I d_off
ϥǥ쥯ȥκǽ餫餳
.I dirent
ޤǵΥǤ롣
.I d_reclen
.I d_name
礭ǡ
̥ʸνüޤǤʤ
.I d_name
ϥ̥ʸǽե̾Ǥ롣
.SH ֤
ϡ1 ֤롣
ǥ쥯ȥκǸǤ 0 ֤롣
顼ξ \-1 ֤졢
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EBADF
ե롦ǥץ
.I fd
Ǥ롣
.TP
.B EFAULT
ΥݥƤӽФץǽʶ֤
ؤƤ롣
.TP
.B EINVAL
ѤΥХåե롣
.TP
.B ENOENT
Τ褦ʥǥ쥯ȥ¸ߤʤ
.TP
.B ENOTDIR
ե롦ǥץǥ쥯ȥȤƤʤ
.SH
Υƥࡦ Linux ͭǤ롣
.SH
glibc ϤΥƥॳФåѡؿƤʤ
.BR syscall (2)
ȤäƸƤӽФȡ
.SH Ϣ
.BR getdents (2),
.BR readdir (3)
|
