extern int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags);
extern int dbif_open(DBD *dbd, struct db_param *dbp, int do_truncate);
extern int dbif_close(DBD *dbd);
extern int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags);
extern int dbif_open(DBD *dbd, struct db_param *dbp, int do_truncate);
extern int dbif_close(DBD *dbd);