2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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33 * @(#)dirent.h 8.2 (Berkeley) 7/28/94
34 * $FreeBSD: src/include/dirent.h,v 1.7 1999/12/29 05:01:20 peter Exp $
41 * The kernel defines the format of directory entries returned by
42 * the getdirentries(2) system call.
44 #include <sys/dirent.h>
50 #define d_ino d_fileno /* backward compatibility */
52 /* definitions for library routines operating on directories. */
53 #define DIRBLKSIZ 1024
55 /* structure describing an open directory. */
56 typedef struct _dirdesc {
57 int dd_fd; /* file descriptor associated with directory */
58 long dd_loc; /* offset in current buffer */
59 long dd_size; /* amount of data returned by getdirentries */
60 char *dd_buf; /* data buffer */
61 int dd_len; /* size of data buffer */
62 long dd_seek; /* magic cookie returned by getdirentries */
63 long dd_rewind; /* magic cookie for rewinding */
64 int dd_flags; /* flags for readdir */
67 #define dirfd(dirp) ((dirp)->dd_fd)
69 /* flags for opendir2 */
70 #define DTF_HIDEW 0x0001 /* hide whiteout entries */
71 #define DTF_NODUP 0x0002 /* don't return duplicate names */
72 #define DTF_REWIND 0x0004 /* rewind after reading union stack */
73 #define __DTF_READALL 0x0008 /* everything has been read */
79 #endif /* _POSIX_SOURCE */
83 #include <sys/cdefs.h>
86 DIR *opendir __P((const char *));
87 struct dirent *readdir __P((DIR *));
88 void rewinddir __P((DIR *));
89 int closedir __P((DIR *));
91 DIR *__opendir2 __P((const char *, int));
92 long telldir __P((const DIR *));
93 void seekdir __P((DIR *, long));
94 int scandir __P((const char *, struct dirent ***,
95 int (*)(struct dirent *), int (*)(const void *, const void *)));
96 int alphasort __P((const void *, const void *));
97 int getdents __P((int, char *, int));
98 int getdirentries __P((int, char *, int, long *));
99 int readdir_r __P((DIR *, struct dirent *, struct dirent **));
100 #endif /* not POSIX */
103 #endif /* !_KERNEL */
105 #endif /* !_DIRENT_H_ */