{"(Addr).IsUnspecified", Method, 18},
		{"(Addr).IsValid", Method, 18},
		{"(Addr).Less", Method, 18},
		{"(Addr).MarshalBinary", Method, 18},
		{"(Addr).MarshalText", Method, 18},
		{"(Addr).Next", Method, 18},
		{"(Addr).Prefix", Method, 18},
		{"(Addr).Prev", Method, 18},
		{"(Addr).String", Method, 18},
		{"(Addr).StringExpanded", Method, 18},
		{"(Addr).Unmap", Method, 18},

		// port to join the same group address.
		if addr.IP != nil && addr.IP.IsMulticast() {
			if err := setDefaultMulticastSockopts(fd.pfd.Sysfd); err != nil {
				return err
			}
			addr := *addr
			switch fd.family {
			case syscall.AF_INET:
				addr.IP = IPv4zero
			case syscall.AF_INET6:
				addr.IP = IPv6unspecified
			}
			laddr = &addr
		}
	}
	var err error
	var lsa syscall.Sockaddr

	// SOL_MPTCP only supported from kernel 5.16
	hasSOLMPTCP = major > 5 || (major == 5 && minor >= 16)
}

func (sd *sysDialer) dialMPTCP(ctx context.Context, laddr, raddr *TCPAddr) (*TCPConn, error) {
	if supportsMultipathTCP() {
		if conn, err := sd.doDialTCPProto(ctx, laddr, raddr, _IPPROTO_MPTCP); err == nil {
			return conn, nil
		}
	}

	// Fallback to dialTCP if Multipath TCP isn't supported on this operating

	if !c.ok() {
		return 0, syscall.EINVAL
	}
	n, err := c.fd.writeBuffers(v)
	if err != nil {
		return n, &OpError{Op: "wsasend", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	return n, nil
}

func (fd *netFD) writeBuffers(buf *Buffers) (int64, error) {
	n, err := fd.pfd.Writev((*[][]byte)(buf))
	runtime.KeepAlive(fd)

//
// If laddr is nil, a local address is automatically chosen.
// If the IP field of raddr is nil or an unspecified IP address, the
// local system is assumed.
func DialIP(network string, laddr, raddr *IPAddr) (*IPConn, error) {
	if raddr == nil {
		return nil, &OpError{Op: "dial", Net: network, Source: laddr.opAddr(), Addr: nil, Err: errMissingAddress}
	}

	switch net {
	case "tcp":
		laddr = new(TCPAddr)
		raddr = new(TCPAddr)
	case "udp":
		laddr = new(UDPAddr)
		raddr = new(UDPAddr)
	default:
		laddr = unknownAddr{}
		raddr = unknownAddr{}
	}
	return &netFD{
		pfd:   pfd,
		net:   net,
		laddr: laddr,
		raddr: raddr,
	}
}

func (fd *netFD) init() error {
	return fd.pfd.Init(fd.net, true)
}

type elfExe struct {
	f *elf.File
}

func (x *elfExe) ReadData(addr, size uint64) ([]byte, error) {
	for _, prog := range x.f.Progs {
		if prog.Vaddr <= addr && addr <= prog.Vaddr+prog.Filesz-1 {
			n := prog.Vaddr + prog.Filesz - addr
			if n > size {
				n = size
			}
			return saferio.ReadDataAt(prog, n, int64(addr-prog.Vaddr))
		}
	}
	return nil, errUnrecognizedFormat
}

        this.netbiosScope = p.getProperty("jcifs.netbios.scope");
        this.netbiosLocalPort = Config.getInt(p, "jcifs.netbios.lport", 0);
        this.netbiosLocalAddress = Config.getInetAddress(p, "jcifs.netbios.laddr", null);

        this.lmhostsFilename = p.getProperty("jcifs.netbios.lmhosts");
        this.winsServer = Config.getInetAddressArray(p, "jcifs.netbios.wins", ",", new InetAddress[0]);

		// address where the first byte of the segment is loaded
		// (loadSegment.Vaddr). A file offset fx maps to a virtual (symbol) address
		// sx = fx - loadSegment.Off + loadSegment.Vaddr.
		//
		// Thus, a runtime virtual address x maps to a symbol address
		// sx = x - start + offset - loadSegment.Off + loadSegment.Vaddr.
		return start - offset + loadSegment.Off - loadSegment.Vaddr, nil
	}

	{snet: "udp", saddr: "0.0.0.0:0", tnet: "udp", taddr: "::1"},
	{snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp", taddr: "::1"},
	{snet: "udp", saddr: "[::]:0", tnet: "udp", taddr: "127.0.0.1"},

	{snet: "udp", saddr: ":0", tnet: "udp4", taddr: "127.0.0.1"},
	{snet: "udp", saddr: "0.0.0.0:0", tnet: "udp4", taddr: "127.0.0.1"},
	{snet: "udp", saddr: "[::ffff:0.0.0.0]:0", tnet: "udp4", taddr: "127.0.0.1"},