ndbm.h

开源的数据库管理系统

/* 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:  [e-mail]
      us-mail:  Philip A. Nelson
                Computer Science Department
                Western Washington University
                Bellingham, WA 98226
       
*************************************************************************/

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

#include <gdbm-dll.h>

/* 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;


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

GDBM_DLL_IMPEXP DBM 	*dbm_open ();

GDBM_DLL_IMPEXP void	 dbm_close ();

GDBM_DLL_IMPEXP datum	 dbm_fetch ();

GDBM_DLL_IMPEXP int	 dbm_store ();

GDBM_DLL_IMPEXP int	 dbm_delete ();

GDBM_DLL_IMPEXP int	 dbm_delete ();

GDBM_DLL_IMPEXP datum	 dbm_firstkey ();

GDBM_DLL_IMPEXP datum	 dbm_nextkey ();

#define		 dbm_error(dbf)  (0)

#define		 dbm_clearerr(dbf)

GDBM_DLL_IMPEXP int	 dbm_dirfno ();

GDBM_DLL_IMPEXP int	 dbm_pagfno ();

GDBM_DLL_IMPEXP int	 dbm_rdonly ();