/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

#ifndef _DBM_H
#define _DBM_H

#include <sys/isa_defs.h>
#include <sys/null.h>

#ifdef __cplusplus
extern "C" {
#endif

#define PBLKSIZ 1024
#define DBLKSIZ 4096
#define BYTESIZ 8

long    bitno;
long    maxbno;
long    blkno;
long    hmask;

char    pagbuf[PBLKSIZ];
char    dirbuf[DBLKSIZ];

int     dirf;
int     pagf;
int     dbrdonly;

#ifndef DATUM
typedef struct
{
        char    *dptr;
        int     dsize;
} datum;
#define DATUM
#endif

#ifdef __STDC__
datum   fetch(datum);
datum   makdatum(char *, int);
datum   firstkey(void);
datum   nextkey(datum);
datum   firsthash(long);
long    calchash(datum);
long    hashinc(long);
#else
datum   fetch();
datum   makdatum();
datum   firstkey();
datum   nextkey();
datum   firsthash();
long    calchash();
long    hashinc();
#endif

#ifdef __cplusplus
}
#endif

#endif  /* _DBM_H */