_PATH_FCODES
dbv = colon(dbv, optarg, _PATH_FCODES);
dbv = colon(dbv, _PATH_FCODES, _PATH_FCODES);
dbv = colon(dbv, path_fcodes, _PATH_FCODES);
"default database: `%s' or $LOCATE_PATH\n", _PATH_FCODES);
if (strcmp(_PATH_FCODES, db) == 0) {