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

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*-
        !            26:  * Copyright (c) 1989, 1993
        !            27:  *     The Regents of the University of California.  All rights reserved.
        !            28:  *
        !            29:  * Redistribution and use in source and binary forms, with or without
        !            30:  * modification, are permitted provided that the following conditions
        !            31:  * are met:
        !            32:  * 1. Redistributions of source code must retain the above copyright
        !            33:  *    notice, this list of conditions and the following disclaimer.
        !            34:  * 2. Redistributions in binary form must reproduce the above copyright
        !            35:  *    notice, this list of conditions and the following disclaimer in the
        !            36:  *    documentation and/or other materials provided with the distribution.
        !            37:  * 3. All advertising materials mentioning features or use of this software
        !            38:  *    must display the following acknowledgement:
        !            39:  *     This product includes software developed by the University of
        !            40:  *     California, Berkeley and its contributors.
        !            41:  * 4. Neither the name of the University nor the names of its contributors
        !            42:  *    may be used to endorse or promote products derived from this software
        !            43:  *    without specific prior written permission.
        !            44:  *
        !            45:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            46:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            47:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            48:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            49:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            50:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            51:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            52:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            53:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            54:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            55:  * SUCH DAMAGE.
        !            56:  *
        !            57:  *     @(#)dirent.h    8.2 (Berkeley) 7/28/94
        !            58:  */
        !            59: 
        !            60: #ifndef _DIRENT_H_
        !            61: #define _DIRENT_H_
        !            62: 
        !            63: /*
        !            64:  * The kernel defines the format of directory entries returned by 
        !            65:  * the getdirentries(2) system call.
        !            66:  */
        !            67: #include <sys/dirent.h>
        !            68: 
        !            69: #ifdef _POSIX_SOURCE
        !            70: typedef void * DIR;
        !            71: #else
        !            72: 
        !            73: #define        d_ino           d_fileno        /* backward compatibility */
        !            74: 
        !            75: /* definitions for library routines operating on directories. */
        !            76: #define        DIRBLKSIZ       1024
        !            77: 
        !            78: /* structure describing an open directory. */
        !            79: typedef struct _dirdesc {
        !            80:        int     dd_fd;          /* file descriptor associated with directory */
        !            81:        long    dd_loc;         /* offset in current buffer */
        !            82:        long    dd_size;        /* amount of data returned by getdirentries */
        !            83:        char    *dd_buf;        /* data buffer */
        !            84:        int     dd_len;         /* size of data buffer */
        !            85:        long    dd_seek;        /* magic cookie returned by getdirentries */
        !            86:        long    dd_rewind;      /* magic cookie for rewinding */
        !            87:        int     dd_flags;       /* flags for readdir */
        !            88: } DIR;
        !            89: 
        !            90: #define        dirfd(dirp)     ((dirp)->dd_fd)
        !            91: 
        !            92: /* flags for opendir2 */
        !            93: #define DTF_HIDEW      0x0001  /* hide whiteout entries */
        !            94: #define DTF_NODUP      0x0002  /* don't return duplicate names */
        !            95: #define DTF_REWIND     0x0004  /* rewind after reading union stack */
        !            96: #define __DTF_READALL  0x0008  /* everything has been read */
        !            97: 
        !            98: #ifndef NULL
        !            99: #define        NULL    0
        !           100: #endif
        !           101: 
        !           102: #endif /* _POSIX_SOURCE */
        !           103: 
        !           104: #ifndef KERNEL
        !           105: 
        !           106: #include <sys/cdefs.h>
        !           107: 
        !           108: __BEGIN_DECLS
        !           109: DIR *opendir __P((const char *));
        !           110: struct dirent *readdir __P((DIR *));
        !           111: void rewinddir __P((DIR *));
        !           112: int closedir __P((DIR *));
        !           113: #ifndef _POSIX_SOURCE
        !           114: DIR *__opendir2 __P((const char *, int));
        !           115: long telldir __P((const DIR *));
        !           116: void seekdir __P((DIR *, long));
        !           117: int scandir __P((const char *, struct dirent ***,
        !           118:     int (*)(struct dirent *), int (*)(const void *, const void *)));
        !           119: int alphasort __P((const void *, const void *));
        !           120: int getdirentries __P((int, char *, int, long *));
        !           121: #endif /* not POSIX */
        !           122: __END_DECLS
        !           123: 
        !           124: #endif /* !KERNEL */
        !           125: 
        !           126: #endif /* !_DIRENT_H_ */

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