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Annotation of kernel/bsd/include/ndbm.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) 1990, 1993
        !            27:  *     The Regents of the University of California.  All rights reserved.
        !            28:  *
        !            29:  * This code is derived from software contributed to Berkeley by
        !            30:  * Margo Seltzer.
        !            31:  *
        !            32:  * Redistribution and use in source and binary forms, with or without
        !            33:  * modification, are permitted provided that the following conditions
        !            34:  * are met:
        !            35:  * 1. Redistributions of source code must retain the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer.
        !            37:  * 2. Redistributions in binary form must reproduce the above copyright
        !            38:  *    notice, this list of conditions and the following disclaimer in the
        !            39:  *    documentation and/or other materials provided with the distribution.
        !            40:  * 3. All advertising materials mentioning features or use of this software
        !            41:  *    must display the following acknowledgement:
        !            42:  *     This product includes software developed by the University of
        !            43:  *     California, Berkeley and its contributors.
        !            44:  * 4. Neither the name of the University nor the names of its contributors
        !            45:  *    may be used to endorse or promote products derived from this software
        !            46:  *    without specific prior written permission.
        !            47:  *
        !            48:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            49:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            50:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            51:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            52:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            53:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            54:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            55:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            56:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            57:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            58:  * SUCH DAMAGE.
        !            59:  *
        !            60:  *     @(#)ndbm.h      8.1 (Berkeley) 6/2/93
        !            61:  */
        !            62: 
        !            63: #ifndef _NDBM_H_
        !            64: #define        _NDBM_H_
        !            65: 
        !            66: #include <db.h>
        !            67: 
        !            68: /* Map dbm interface onto db(3). */
        !            69: #define DBM_RDONLY     O_RDONLY
        !            70: 
        !            71: /* Flags to dbm_store(). */
        !            72: #define DBM_INSERT      0
        !            73: #define DBM_REPLACE     1
        !            74: 
        !            75: /*
        !            76:  * The db(3) support for ndbm(3) always appends this suffix to the
        !            77:  * file name to avoid overwriting the user's original database.
        !            78:  */
        !            79: #define        DBM_SUFFIX      ".db"
        !            80: 
        !            81: typedef struct {
        !            82:        char *dptr;
        !            83:        int dsize;
        !            84: } datum;
        !            85: 
        !            86: typedef DB DBM;
        !            87: #define        dbm_pagfno(a)   DBM_PAGFNO_NOT_AVAILABLE
        !            88: 
        !            89: __BEGIN_DECLS
        !            90: void    dbm_close __P((DBM *));
        !            91: int     dbm_delete __P((DBM *, datum));
        !            92: datum   dbm_fetch __P((DBM *, datum));
        !            93: datum   dbm_firstkey __P((DBM *));
        !            94: long    dbm_forder __P((DBM *, datum));
        !            95: datum   dbm_nextkey __P((DBM *));
        !            96: DBM    *dbm_open __P((const char *, int, int));
        !            97: int     dbm_store __P((DBM *, datum, datum, int));
        !            98: int     dbm_dirfno __P((DBM *));
        !            99: __END_DECLS
        !           100: 
        !           101: #endif /* !_NDBM_H_ */

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