dbm_open(file, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) != NULL)
dbm_open(file, O_CREAT | O_RDWR, __db_omode("rw----"))) != NULL)
__db_dbm_init(file)	char *file;{	if (__cur_db != NULL)		(void)dbm_close(__cur_db);	if ((__cur_db =	    dbm_open(file, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) != NULL)		return (0);	if ((__cur_db = dbm_open(file, O_RDONLY, 0)) != NULL)		return (0);	return (-1);}