Source code pulled from OpenBSD for OpenNTPD. The place to contribute to this code is via the OpenBSD CVS tree.
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/* $OpenBSD: dirent.h,v 1.15 2005/12/13 00:35:22 millert Exp $ */
/* $NetBSD: dirent.h,v 1.9 1995/03/26 20:13:37 jtc Exp $ */
/*-
* 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. 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_
#include <sys/cdefs.h>
/*
* POSIX doesn't mandate this, but X/Open XPG 4.2 does.
*/
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
#include <sys/types.h>
#endif
/*
* The kernel defines the format of directory entries returned by
* the getdirentries(2) system call.
*/
#include <sys/dirent.h>
#if __BSD_VISIBLE || __XPG_VISIBLE
#define d_ino d_fileno /* backward compatibility */
#endif
#if __BSD_VISIBLE
/* 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_NODUP 0x0002 /* don't return duplicate names */
#define __DTF_READALL 0x0008 /* everything has been read */
#ifndef NULL
#ifdef __GNUG__
#define NULL __null
#else
#define NULL 0L
#endif /* __GNUG__ */
#endif /* !NULL */
#else /* !__BSD_VISIBLE */
typedef void * DIR;
#endif /* !__BSD_VISIBLE */
#ifndef _KERNEL
__BEGIN_DECLS
DIR *opendir(const char *);
struct dirent *readdir(DIR *);
void rewinddir(DIR *);
int closedir(DIR *);
#if __BSD_VISIBLE
DIR *__opendir2(const char *, int);
int scandir(const char *, struct dirent ***,
int (*)(struct dirent *), int (*)(const void *, const void *));
int alphasort(const void *, const void *);
int getdirentries(int, char *, int, long *)
__attribute__ ((__bounded__(__string__,2,3)));
#endif /* __BSD_VISIBLE */
#if __XPG_VISIBLE
long telldir(const DIR *);
void seekdir(DIR *, long);
#endif
#if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500
int readdir_r(DIR *, struct dirent *, struct dirent **);
#endif
__END_DECLS
#endif /* !_KERNEL */
#endif /* !_DIRENT_H_ */