1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)dirent.h 8.1 (Berkeley) 6/8/93 34 */ 35 36 #ifndef _DIRENT_H_ 37 #define _DIRENT_H_ 38 39 /* 40 * The kernel defines the format of directory entries returned by 41 * the getdirentries(2) system call. 42 */ 43 #include <sys/dirent.h> 44 45 #ifdef _POSIX_SOURCE 46 typedef void * DIR; 47 #else 48 49 #define d_ino d_fileno /* backward compatibility */ 50 51 /* definitions for library routines operating on directories. */ 52 #define DIRBLKSIZ 1024 53 54 /* structure describing an open directory. */ 55 typedef struct _dirdesc { 56 int dd_fd; /* file descriptor associated with directory */ 57 long dd_loc; /* offset in current buffer */ 58 long dd_size; /* amount of data returned by getdirentries */ 59 char *dd_buf; /* data buffer */ 60 int dd_len; /* size of data buffer */ 61 long dd_seek; /* magic cookie returned by getdirentries */ 62 long dd_rewind; /* magic cookie for rewinding */ 63 } DIR; 64 65 #define dirfd(dirp) ((dirp)->dd_fd) 66 67 #ifndef NULL 68 #define NULL 0 69 #endif 70 71 #endif /* _POSIX_SOURCE */ 72 73 #ifndef KERNEL 74 75 #include <sys/cdefs.h> 76 77 __BEGIN_DECLS 78 DIR *opendir __P((const char *)); 79 struct dirent *readdir __P((DIR *)); 80 void rewinddir __P((DIR *)); 81 int closedir __P((DIR *)); 82 #ifndef _POSIX_SOURCE 83 long telldir __P((const DIR *)); 84 void seekdir __P((DIR *, long)); 85 int scandir __P((const char *, struct dirent ***, 86 int (*)(struct dirent *), int (*)(const void *, const void *))); 87 int alphasort __P((const void *, const void *)); 88 int getdirentries __P((int, char *, int, long *)); 89 #endif /* not POSIX */ 90 __END_DECLS 91 92 #endif /* !KERNEL */ 93 94 #endif /* !_DIRENT_H_ */ 95