2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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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.
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)dirent.h 8.2 (Berkeley) 7/28/94
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 struct _telldir; /* see telldir.h */
57 /* structure describing an open directory. */
58 typedef struct _dirdesc {
59 int dd_fd; /* file descriptor associated with directory */
60 long dd_loc; /* offset in current buffer */
61 long dd_size; /* amount of data returned by getdirentries */
62 char *dd_buf; /* data buffer */
63 int dd_len; /* size of data buffer */
64 long dd_seek; /* magic cookie returned by getdirentries */
65 long dd_rewind; /* magic cookie for rewinding */
66 int dd_flags; /* flags for readdir */
67 void *dd_lock; /* hack to avoid including <pthread.h> */
68 struct _telldir *dd_td; /* telldir position recording */
71 #define dirfd(dirp) ((dirp)->dd_fd)
73 /* flags for opendir2 */
74 #define DTF_HIDEW 0x0001 /* hide whiteout entries */
75 #define DTF_NODUP 0x0002 /* don't return duplicate names */
76 #define DTF_REWIND 0x0004 /* rewind after reading union stack */
77 #define __DTF_READALL 0x0008 /* everything has been read */
83 #endif /* _POSIX_SOURCE */
87 #include <sys/cdefs.h>
90 DIR *opendir __P((const char *));
91 struct dirent *readdir __P((DIR *));
92 void rewinddir __P((DIR *));
93 int closedir __P((DIR *));
95 DIR *__opendir2 __P((const char *, int));
96 long telldir __P((DIR *));
97 void seekdir __P((DIR *, long));
98 int scandir __P((const char *, struct dirent ***,
99 int (*)(struct dirent *), int (*)(const void *, const void *)));
100 int alphasort __P((const void *, const void *));
101 int getdents __P((int, char *, int));
102 int getdirentries __P((int, char *, int, long *));
103 int readdir_r __P((DIR *, struct dirent *, struct dirent **));
104 #endif /* not POSIX */
107 #endif /* !_KERNEL */
109 #endif /* !_DIRENT_H_ */