ndbm.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*/
/*
* Hashed key data base library.
*/
#ifndef _ndbm_h
#define _ndbm_h
#define PBLKSIZ 1024
#define DBLKSIZ 4096
typedef struct {
int dbm_dirf; /* open directory file */
int dbm_pagf; /* open page file */
int dbm_flags; /* flags, see below */
long dbm_maxbno; /* last ``bit'' in dir file */
long dbm_bitno; /* current bit number */
long dbm_hmask; /* hash mask */
long dbm_blkptr; /* current block for dbm_nextkey */
int dbm_keyptr; /* current key for dbm_nextkey */
long dbm_pagbno; /* current page in pagbuf */
long dbm_dirbno; /* current block in dirbuf */
} DBM;
/* use this one at your own risk! */
/* for flock(2) and fstat(2) */
typedef struct {
char *dptr;
int dsize;
} datum;
/*
* flags to dbm_store()
*/
#define DBM_INSERT 0
#define DBM_REPLACE 1
void dbm_close();
datum dbm_nextkey();
long dbm_forder();
int dbm_delete();
int dbm_store();
#endif /*!_ndbm_h*/