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Annotation of XNU/bsd/include/dirent.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*-
        !            23:  * Copyright (c) 1989, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)dirent.h    8.2 (Berkeley) 7/28/94
        !            55:  */
        !            56: 
        !            57: #ifndef _DIRENT_H_
        !            58: #define _DIRENT_H_
        !            59: 
        !            60: /*
        !            61:  * The kernel defines the format of directory entries returned by 
        !            62:  * the getdirentries(2) system call.
        !            63:  */
        !            64: #include <sys/dirent.h>
        !            65: 
        !            66: #ifdef _POSIX_SOURCE
        !            67: typedef void * DIR;
        !            68: #else
        !            69: 
        !            70: #define        d_ino           d_fileno        /* backward compatibility */
        !            71: 
        !            72: /* definitions for library routines operating on directories. */
        !            73: #define        DIRBLKSIZ       1024
        !            74: 
        !            75: /* structure describing an open directory. */
        !            76: typedef struct _dirdesc {
        !            77:        int     dd_fd;          /* file descriptor associated with directory */
        !            78:        long    dd_loc;         /* offset in current buffer */
        !            79:        long    dd_size;        /* amount of data returned by getdirentries */
        !            80:        char    *dd_buf;        /* data buffer */
        !            81:        int     dd_len;         /* size of data buffer */
        !            82:        long    dd_seek;        /* magic cookie returned by getdirentries */
        !            83:        long    dd_rewind;      /* magic cookie for rewinding */
        !            84:        int     dd_flags;       /* flags for readdir */
        !            85: } DIR;
        !            86: 
        !            87: #define        dirfd(dirp)     ((dirp)->dd_fd)
        !            88: 
        !            89: /* flags for opendir2 */
        !            90: #define DTF_HIDEW      0x0001  /* hide whiteout entries */
        !            91: #define DTF_NODUP      0x0002  /* don't return duplicate names */
        !            92: #define DTF_REWIND     0x0004  /* rewind after reading union stack */
        !            93: #define __DTF_READALL  0x0008  /* everything has been read */
        !            94: 
        !            95: #ifndef NULL
        !            96: #define        NULL    0
        !            97: #endif
        !            98: 
        !            99: #endif /* _POSIX_SOURCE */
        !           100: 
        !           101: #ifndef KERNEL
        !           102: 
        !           103: #include <sys/cdefs.h>
        !           104: 
        !           105: __BEGIN_DECLS
        !           106: DIR *opendir __P((const char *));
        !           107: struct dirent *readdir __P((DIR *));
        !           108: void rewinddir __P((DIR *));
        !           109: int closedir __P((DIR *));
        !           110: #ifndef _POSIX_SOURCE
        !           111: DIR *__opendir2 __P((const char *, int));
        !           112: long telldir __P((const DIR *));
        !           113: void seekdir __P((DIR *, long));
        !           114: int scandir __P((const char *, struct dirent ***,
        !           115:     int (*)(struct dirent *), int (*)(const void *, const void *)));
        !           116: int alphasort __P((const void *, const void *));
        !           117: int getdirentries __P((int, char *, int, long *));
        !           118: #endif /* not POSIX */
        !           119: __END_DECLS
        !           120: 
        !           121: #endif /* !KERNEL */
        !           122: 
        !           123: #endif /* !_DIRENT_H_ */

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