mask = CIDRMask(pfxlen, 8*IPv6len)
			}

			addrs = append(addrs, &IPNet{IP: ip, Mask: mask})
		}
	}

	return addrs, nil
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
	return nil, nil

	if interfaces, err = net.Interfaces(); err != nil {
		return false, fmt.Errorf("failed to get interfaces")
	}

	for _, ief := range interfaces {
		var addrs []net.Addr
		if addrs, err = ief.Addrs(); err != nil {
			return
		}
		for _, addr := range addrs {
			switch v := addr.(type) {
			case *net.IPNet:
				if v.IP.Equal(targetAddr) {
					return true, nil
				}
			}
		}
	}

		s = "0"
	}
	return s
}

// Addrs returns a list of unicast interface addresses for a specific
// interface.
func (ifi *Interface) Addrs() ([]Addr, error) {
	if ifi == nil {
		return nil, &OpError{Op: "route", Net: "ip+net", Source: nil, Addr: nil, Err: errInvalidInterface}
	}
	ifat, err := interfaceAddrTable(ifi)
	if err != nil {
		err = &OpError{Op: "route", Net: "ip+net", Source: nil, Addr: nil, Err: err}
	}
	return ifat, err

		router.PathPrefix("/debug/pprof/").HandlerFunc(pprof.Index)
	}
	registerHome(router, mainLayout)

	addr := o.Address
	if addr == "*" {
		addr = ""
	}

	// Canonicalize the address and resolve a dynamic port if necessary
	listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addr, o.Port))
	if err != nil {
		log.Errorf("Unable to start ControlZ: %v", err)
		return nil, err
	}

func AppendPortIfNeeded(addr string, port int32) string {
	// Return if address is already in "ipv4:port" or "[ipv6]:port" format.
	if _, _, err := net.SplitHostPort(addr); err == nil {
		return addr
	}

	// Simply return for invalid case. This should be caught by validation instead.
	ip := netutils.ParseIPSloppy(addr)
	if ip == nil {
		return addr
	}

	// Append port to address.

func (npa *NodePortAddresses) GetNodeIPs(nw NetworkInterfacer) ([]net.IP, error) {
	addrs, err := nw.InterfaceAddrs()
	if err != nil {
		return nil, fmt.Errorf("error listing all interfaceAddrs from host, error: %v", err)
	}

	// Use a map to dedup matches
	addresses := make(map[string]net.IP)
	for _, cidr := range npa.cidrs {
		for _, addr := range addrs {
			var ip net.IP

		aliases := addr.Aliases()
		removed.DeleteAll(aliases...)
		n := addr.ResourceName()
		have.Insert(n)
		haveAliases.InsertAll(aliases...)
		switch w.TypeUrl {
		case v3.WorkloadType:
			if addr.GetWorkload() != nil {
				resources = append(resources, &discovery.Resource{
					Name:     n,
					Aliases:  aliases,
					Resource: protoconv.MessageToAny(addr.GetWorkload()), // TODO: pre-marshal
				})

)

// getLocalIP returns one of the local IP address and it should support IPv6 or not
func getLocalIP(dualStack bool) (netip.Addr, bool, error) {
	var isIPv6 bool
	var ipAddrs []netip.Addr
	addrs, err := LocalIPAddrs()
	if err != nil {
		return netip.Addr{}, isIPv6, err
	}

	for _, a := range addrs {
		if ipnet, ok := a.(*net.IPNet); ok {
			ip := ipnet.IP
			ipAddr, ok := netip.AddrFromSlice(ip)
			if !ok {

	}
	_ = *addr // if nil, fault before taking the lock
	var r uint64
	addrLock(addr).lock()
	r = *addr
	addrLock(addr).unlock()
	return r
}

//go:nosplit
func goStore64(addr *uint64, v uint64) {
	if uintptr(unsafe.Pointer(addr))&7 != 0 {
		*(*int)(nil) = 0 // crash on unaligned uint64
	}
	_ = *addr // if nil, fault before taking the lock
	addrLock(addr).lock()
	*addr = v
	addrLock(addr).unlock()
}

	wantInlinable := []string{
		"(*uint128).halves",
		"Addr.BitLen",
		"Addr.hasZone",
		"Addr.Is4",
		"Addr.Is4In6",
		"Addr.Is6",
		"Addr.IsInterfaceLocalMulticast",
		"Addr.IsValid",
		"Addr.IsUnspecified",
		"Addr.Less",
		"Addr.Unmap",
		"Addr.Zone",
		"Addr.v4",
		"Addr.v6",
		"Addr.v6u16",
		"Addr.withoutZone",
		"AddrPortFrom",
		"AddrPort.Addr",
		"AddrPort.Port",
		"AddrPort.IsValid",