}
	return nil
}

func (a *IPAddr) family() int {
	if a == nil || len(a.IP) <= IPv4len {
		return syscall.AF_INET
	}
	if a.IP.To4() != nil {
		return syscall.AF_INET
	}
	return syscall.AF_INET6
}

func (a *IPAddr) sockaddr(family int) (syscall.Sockaddr, error) {
	if a == nil {
		return nil, nil
	}
	return ipToSockaddr(family, a.IP, 0, a.Zone)
}

		if supportsIPv4map() || !supportsIPv4() {
			return syscall.AF_INET6, false
		}
		if laddr == nil {
			return syscall.AF_INET, false
		}
		return laddr.family(), false
	}

	if (laddr == nil || laddr.family() == syscall.AF_INET) &&
		(raddr == nil || raddr.family() == syscall.AF_INET) {
		return syscall.AF_INET, false
	}
	return syscall.AF_INET6, false
}

	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 {

// 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, 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.

//go:build !plan9

package socktest

import (
	"fmt"
	"syscall"
)

func familyString(family int) string {
	switch family {
	case syscall.AF_INET:
		return "inet4"
	case syscall.AF_INET6:
		return "inet6"
	case syscall.AF_UNIX:
		return "local"
	default:
		return fmt.Sprintf("%d", family)
	}
}

func typeString(sotype int) string {
	var s string
	switch sotype & 0xff {

                <mxCell id="101" value="&lt;span style=&quot;font-family: &amp;#34;roboto&amp;#34; ; font-size: 24px&quot;&gt;IP:&lt;/span&gt;&lt;br style=&quot;font-family: &amp;#34;roboto&amp;#34;&quot;&gt;&lt;span style=&quot;font-family: &amp;#34;roboto&amp;#34; ; font-size: 24px&quot;&gt;123.124.125.126&lt;/span&gt;" style="shape=hexagon;perimeter=hexagonPerimeter2;whiteSpace=wrap;html=1;fixedSize=1;strokeWidth=3;" parent="1" vertex="1">

	}
	return nil
}

func (a *UDPAddr) family() int {
	if a == nil || len(a.IP) <= IPv4len {
		return syscall.AF_INET
	}
	if a.IP.To4() != nil {
		return syscall.AF_INET
	}
	return syscall.AF_INET6
}

func (a *UDPAddr) sockaddr(family int) (syscall.Sockaddr, error) {
	if a == nil {
		return nil, nil
	}
	return ipToSockaddr(family, a.IP, a.Port, a.Zone)
}

// 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, 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.

	// note: While the cluster might be dualstack (i.e. pods with multiple IPs), the user may choose
	// to only ingress traffic within and into the cluster on one IP family only. this family is decided
	// by the range set on --service-cluster-ip-range. If/when the user decides to use dual stack services
	// the Secondary* must be of different IPFamily than --service-cluster-ip-range

                </mxCell>