/* ndbm.h  -  The include file for ndbm users.  */

/*  This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
    Copyright (C) 1990, 1991, 1993  Free Software Foundation, Inc.

    GDBM is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2, or (at your option)
    any later version.

    GDBM is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with GDBM; see the file COPYING.  If not, write to
    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

    You may contact the author by:
       e-mail:  phil@cs.wwu.edu
      us-mail:  Philip A. Nelson
                Computer Science Department
                Western Washington University
                Bellingham, WA 98226

*************************************************************************/

#ifndef NDBM_H
#define NDBM_H

/* Parameters to dbm_store for simple insertion or replacement. */
#define  DBM_INSERT  0
#define  DBM_REPLACE 1


/* The data and key structure.  This structure is defined for compatibility. */
typedef struct {
        char *dptr;
        int   dsize;
      } datum;


/* The file information header. This is good enough for most applications. */
typedef struct {int dummy[10];} DBM;


#if __STDC__
extern void   dbm_close    (DBM *);
extern int    dbm_delete   (DBM *, datum);
extern datum  dbm_fetch    (DBM *, datum);
extern datum  dbm_firstkey (DBM *);
extern datum  dbm_nextkey  (DBM *);
extern DBM   *dbm_open     (const char *, int, mode_t);
extern int    dbm_store    (DBM *, datum, datum, int);

#define       dbm_error(dbf)  (0)
#define       dbm_clearerr(dbf)

#else                           /*  __STDC__ */

/* These are the routines (with some macros defining them!) */

extern DBM      *dbm_open ();

extern void      dbm_close ();

extern datum     dbm_fetch ();

extern int       dbm_store ();

extern int       dbm_delete ();

extern int       dbm_delete ();

extern datum     dbm_firstkey ();

extern datum     dbm_nextkey ();

#define          dbm_error(dbf)  (0)

#define          dbm_clearerr(dbf)

extern int       dbm_dirfno ();

extern int       dbm_pagfno ();

extern int       dbm_rdonly ();

#endif                          /*  __STDC__ */
#endif                          /*  NDBM_H */
