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/*-
* Copyright (c) 1989, 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:
* 1. Redistributions of source code must retain the above copyright
* 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
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)dirent.h 8.2 (Berkeley) 7/28/94
*/

#ifndef _DIRENT_H_
#define _DIRENT_H_

/*
* The kernel defines the format of directory entries returned by
* the getdirentries(2) system call.
*/
#include <sys/dirent.h>

#ifdef _POSIX_SOURCE
typedef void * DIR;
#else

#define d_ino d_fileno /* backward compatibility */

/* definitions for library routines operating on directories. */
#define DIRBLKSIZ 1024

/* structure describing an open directory. */
typedef struct _dirdesc {
int dd_fd; /* file descriptor associated with directory */
long dd_loc; /* offset in current buffer */
long dd_size; /* amount of data returned by getdirentries */
char *dd_buf; /* data buffer */
int dd_len; /* size of data buffer */
long dd_seek; /* magic cookie returned by getdirentries */
long dd_rewind; /* magic cookie for rewinding */
int dd_flags; /* flags for readdir */
} DIR;

#define dirfd(dirp) ((dirp)->dd_fd)

/* flags for opendir2 */
#define DTF_HIDEW 0x0001 /* hide whiteout entries */
#define DTF_NODUP 0x0002 /* don't return duplicate names */
#define DTF_REWIND 0x0004 /* rewind after reading union stack */
#define __DTF_READALL 0x0008 /* everything has been read */

#ifndef NULL
#define NULL 0
#endif

#endif /* _POSIX_SOURCE */

#ifndef KERNEL

#include <sys/cdefs.h>

__BEGIN_DECLS
DIR *opendir __P((const char *));
struct dirent *readdir __P((DIR *));
void rewinddir __P((DIR *));
int closedir __P((DIR *));
#ifndef _POSIX_SOURCE
DIR *__opendir2 __P((const char *, int));
long telldir __P((const DIR *));
void seekdir __P((DIR *, long));
int scandir __P((const char *, struct dirent ***,
    int (*)(struct dirent *), int (*)(const void *, const void *)));
int alphasort __P((const void *, const void *));
int getdirentries __P((int, char *, int, long *));
#endif /* not POSIX */
__END_DECLS

#endif /* !KERNEL */

#endif /* !_DIRENT_H_ */
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