)

// Wrapper around the socket system call that marks the returned file
// descriptor as nonblocking and close-on-exec.
func sysSocket(family, sotype, proto int) (int, error) {
	// Perform a cheap test and try the fast path first.
	if unix.SupportSockNonblockCloexec() {
		s, err := socketFunc(family, sotype|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, proto)
		if err != nil {
			return -1, os.NewSyscallError("socket", err)
		}
		return s, nil

	Pad_cgo_1 [4]byte
}

type RawSockaddrInet4 struct {
	Family uint16
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]uint8
}

type RawSockaddrInet6 struct {
	Family   uint16
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte /* in6_addr */
	Scope_id uint32
}

type RawSockaddrUnix struct {
	Family uint16
	Path   [108]int8
}

type RawSockaddrLinklayer struct {

				}
				prog.Reg = reg
			}
			break
		}
		if p.arch.Family == sys.MIPS || p.arch.Family == sys.MIPS64 || p.arch.Family == sys.RISCV64 {
			// 3-operand jumps.
			// First two must be registers
			target = &a[2]
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			break
		}
		if p.arch.Family == sys.Loong64 {
			// 3-operand jumps.
			// First two must be registers

                </mxCell>

	Pad_cgo_1 [4]byte
}

type RawSockaddrInet4 struct {
	Family uint16
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]uint8
}

type RawSockaddrInet6 struct {
	Family   uint16
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte /* in6_addr */
	Scope_id uint32
}

type RawSockaddrUnix struct {
	Family uint16
	Path   [108]int8
}

type RawSockaddrLinklayer struct {

	Pad_cgo_1 [4]byte
}

type RawSockaddrInet4 struct {
	Family uint16
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]uint8
}

type RawSockaddrInet6 struct {
	Family   uint16
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte /* in6_addr */
	Scope_id uint32
}

type RawSockaddrUnix struct {
	Family uint16
	Path   [108]int8
}

type RawSockaddrLinklayer struct {

 */
public interface TargetMachineFactory {
    /**
     * Returns a {@link TargetMachineBuilder} for the Windows operating system family and the architecture of the current host.
     */
    TargetMachineBuilder getWindows();

    /**
     * Returns a {@link TargetMachineBuilder} for the Linux operating system family and the architecture of the current host.
     */
    TargetMachineBuilder getLinux();

    /**

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package net

import (
	"os"
	"syscall"
)

func setDefaultSockopts(s syscall.Handle, family, sotype int, ipv6only bool) error {
	if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {
		// Allow both IP versions even if the OS default
		// is otherwise. Note that some operating systems
		// never admit this option.

                </mxCell>

	if err != nil {
		return nil, err
	}
	family := syscall.AF_UNSPEC
	sotype, err := syscall.GetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_TYPE)
	if err != nil {
		poll.CloseFunc(s)
		return nil, os.NewSyscallError("getsockopt", err)
	}
	lsa, _ := syscall.Getsockname(s)
	rsa, _ := syscall.Getpeername(s)
	switch lsa.(type) {
	case *syscall.SockaddrInet4:
		family = syscall.AF_INET
	case *syscall.SockaddrInet6: