return "", nil, handlePlan9DNSError(err, name)
	}
	for _, line := range lines {
		f := getFields(line)
		if len(f) < 6 {
			continue
		}
		port, _, portOk := dtoi(f[4])
		priority, _, priorityOk := dtoi(f[3])
		weight, _, weightOk := dtoi(f[2])
		if !(portOk && priorityOk && weightOk) {
			continue
		}
		addrs = append(addrs, &SRV{absDomainName(f[5]), uint16(port), uint16(priority), uint16(weight)})

	rx := regexp.MustCompile(`(?m)^([a-z0-9.\-]+)\s+mail exchanger\s*=\s*([0-9]+)\s*([a-z0-9.\-]+)$`)
	for _, ans := range rx.FindAllStringSubmatch(r, -1) {
		pref, _, _ := dtoi(ans[2])
		mx = append(mx, &MX{absDomainName(ans[3]), uint16(pref)})
	}
	// windows nslookup syntax
	// gmail.com       MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com

	zoneCache.RUnlock()
	if !ok && !updated {
		zoneCache.update(nil, true)
		zoneCache.RLock()
		index, ok = zoneCache.toIndex[name]
		zoneCache.RUnlock()
	}
	if !ok { // last resort
		index, _, _ = dtoi(name)
	}
	return index

// etc.
func goDebugNetDNS() (dnsMode string, debugLevel int) {
	goDebug := netdns.Value()
	parsePart := func(s string) {
		if s == "" {
			return
		}
		if '0' <= s[0] && s[0] <= '9' {
			debugLevel, _, _ = dtoi(s)
		} else {
			dnsMode = s
		}
	}
	if i := bytealg.IndexByteString(goDebug, '+'); i != -1 {
		parsePart(goDebug[:i])
		parsePart(goDebug[i+1:])
		return
	}
	parsePart(goDebug)
	return

	}

	ipAddr, err := netip.ParseAddr(addr)
	if err != nil || ipAddr.Zone() != "" {
		return nil, nil, &ParseError{Type: "CIDR address", Text: s}
	}

	n, i, ok := dtoi(mask)
	if !ok || i != len(mask) || n < 0 || n > ipAddr.BitLen() {
		return nil, nil, &ParseError{Type: "CIDR address", Text: s}
	}
	m := CIDRMask(n, ipAddr.BitLen())
	addr16 := ipAddr.As16()

		return
	}

	var parseError error
	atoi := func(s string) int {
		x, err := strconv.Atoi(s)
		if err != nil && parseError == nil {
			parseError = err
		}
		return x
	}
	var major, minor, patch int
	major = atoi(string(matches[1]))
	if len(matches[2]) > 0 {
		minor = atoi(string(matches[2][1:]))
	}
	if len(matches[3]) > 0 {
		patch = atoi(string(matches[3][1:]))
	}
	if parseError != nil {

	}

	if err = config.CheckValidKeys(config.ILMSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	tw, err := strconv.Atoi(env.Get(EnvILMTransitionWorkers, kvs.GetWithDefault(transitionWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	ew, err := strconv.Atoi(env.Get(EnvILMExpirationWorkers, kvs.GetWithDefault(expirationWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

		t.Run(vector.Name, func(t *testing.T) {
			setup := parseVectorSetup(vector.Setup)

			kemID, err := strconv.Atoi(setup["kem_id"])
			if err != nil {
				t.Fatal(err)
			}
			if _, ok := SupportedKEMs[uint16(kemID)]; !ok {
				t.Skip("unsupported KEM")
			}
			kdfID, err := strconv.Atoi(setup["kdf_id"])
			if err != nil {
				t.Fatal(err)
			}
			if _, ok := SupportedKDFs[uint16(kdfID)]; !ok {

	}
	cfg.IOCount, err = strconv.Atoi(env.Get(EnvIOCount, kvs.GetWithDefault(IOCount, DefaultKVS)))
	if err != nil {
		return cfg, fmt.Errorf("'heal:max_io' value invalid: %w", err)
	}
	if ws := env.Get(EnvDriveWorkers, kvs.GetWithDefault(DriveWorkers, DefaultKVS)); ws != "" {
		w, err := strconv.Atoi(ws)
		if err != nil {

		queueSize, err := strconv.Atoi(queueSizeCfgVal)
		if err != nil {
			return cfg, err
		}
		if queueSize <= 0 {
			return cfg, errInvalidQueueSize
		}
		batchSizeCfgVal := getCfgVal(EnvLoggerWebhookBatchSize, k, kv.Get(BatchSize))
		batchSize, err := strconv.Atoi(batchSizeCfgVal)
		if err != nil {
			return cfg, err
		}
		if batchSize <= 0 {