KDB2_LOCK_EXT
fromok = gen_dbsuffix(from, KDB2_LOCK_EXT);
?KDB2_TEMP_LOCK_EXT:KDB2_LOCK_EXT)))
okname = gen_dbsuffix(db_name2, KDB2_LOCK_EXT);
retval2 = destroy_file_suffix(dbname, KDB2_LOCK_EXT);