return PR_smprintf("%skey%s.db", configdir, dbver);
return PR_smprintf(KEY_DB_FMT, configdir, dbver);
nss_keydb_name_cb(void *arg, int dbVersion){    const char *configdir = (const char *)arg;    const char *dbver;        switch (dbVersion) {      case 3:	dbver = "3";	break;      case 2:      default:	dbver = "";	break;    }    return PR_smprintf("%skey%s.db", configdir, dbver);}