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ndbm.h
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C/C++ Source or Header
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1991-05-23
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3KB
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80 lines
/* 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 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 1, 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
phone: (206) 676-3035
*************************************************************************/
/* 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. */
#ifdef __STDC__
#include "gdbmdefs.h"
#else /* not __STDC__ */
typedef struct {
char *dptr;
int dsize;
} datum;
#endif /* not __STDC__ */
/* The file information header. This is good enough for most applications. */
#ifdef __STDC__
#define DBM gdbm_file_info
#else /* not __STDC__ */
typedef struct {int dummy[10];} DBM;
#endif /* not __STDC__ */
/* These are the routines (with some macros defining them!) */
#ifdef __STDC__
extern DBM *dbm_open (char *file, int flags, int mode);
extern void dbm_close (DBM *dbf);
extern datum dbm_fetch (DBM *dbf, datum key);
extern int dbm_store (DBM *dbf, datum key, datum content, int flags);
extern int dbm_delete (DBM *dbf, datum key);
extern datum dbm_firstkey (DBM *dbf);
extern datum dbm_nextkey (DBM *dbf);
extern int dbm_dirfno (DBM *dbf);
extern int dbm_pagfno (DBM *dbf);
#else /* not __STDC__ */
extern DBM *dbm_open ();
extern void dbm_close ();
extern datum dbm_fetch ();
extern int dbm_store ();
extern int dbm_delete ();
extern datum dbm_firstkey ();
extern datum dbm_nextkey ();
extern int dbm_dirfno ();
extern int dbm_pagfno ();
#endif /* not __STDC__ */
#define dbm_error(dbf) 0
#define dbm_clearerr(dbf)