}
	var ip IP
	var wildcard bool
	switch addr := addr.(type) {
	case *TCPAddr:
		ip = addr.IP
		wildcard = addr.isWildcard()
	case *UDPAddr:
		ip = addr.IP
		wildcard = addr.isWildcard()
	case *IPAddr:
		ip = addr.IP
		wildcard = addr.isWildcard()
	}

	// Test wildcard IP addresses.
	if wildcard && !testenv.HasExternalNetwork() {
		return false
	}

type IP struct {
	netip.Addr
}

var (
	IPType = cel.OpaqueType("net.IP")
)

// ConvertToNative implements ref.Val.ConvertToNative.
func (d IP) ConvertToNative(typeDesc reflect.Type) (any, error) {
	if reflect.TypeOf(d.Addr).AssignableTo(typeDesc) {
		return d.Addr, nil
	}
	if reflect.TypeOf("").AssignableTo(typeDesc) {
		return d.Addr.String(), nil
	}

	l := 4 + nlen + alen + slen
	if len(b) < l {
		return nil, errors.New("invalid address")
	}
	b = b[4:]
	var addr []byte
	if nlen > 0 {
		b = b[nlen:]
	}
	if alen > 0 {
		addr = make([]byte, alen)
		copy(addr, b[:alen])
	}
	return addr, nil

package unix

import "unsafe"

// SysvShmAttach attaches the Sysv shared memory segment associated with the
// shared memory identifier id.
func SysvShmAttach(id int, addr uintptr, flag int) ([]byte, error) {
	addr, errno := shmat(id, addr, flag)
	if errno != nil {
		return nil, errno
	}

	// Retrieve the size of the shared memory to enable slice creation
	var info SysvShmDesc

			out = append(out, &driver.Sym{
				Name:  []string{s.Name},
				File:  f.name,
				Start: s.Addr,
				End:   s.Addr + uint64(s.Size) - 1,
			})
		}
	}
	return out, nil
}

func (f *file) Close() error {
	f.file.Close()
	return nil
}

// newUI will be set in readlineui.go in some platforms

}

func retrieveEndpointAddress(ep *endpoint.LbEndpoint) string {
	addr := ep.GetEndpoint().GetAddress()
	if addr := addr.GetSocketAddress(); addr != nil {
		return addr.Address + ":" + strconv.Itoa(int(addr.GetPortValue()))
	}
	if addr := addr.GetPipe(); addr != nil {
		return addr.GetPath()
	}
	if internal := addr.GetEnvoyInternalAddress(); internal != nil {
		switch an := internal.GetAddressNameSpecifier().(type) {

func stat(path string, edir []byte) (n int, err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(path)
	if err != nil {
		return
	}
	var _p1 unsafe.Pointer
	if len(edir) > 0 {
		_p1 = unsafe.Pointer(&edir[0])
	} else {
		_p1 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
	n = int(r0)
	if int32(r0) == -1 {

x_cgo_getstackbound(uintptr bounds[2])
{
	void* addr;
	size_t size;
	pthread_t p;

	p = pthread_self();
	addr = pthread_get_stackaddr_np(p); // high address (!)
	size = pthread_get_stacksize_np(p);

	// bounds points into the Go stack. TSAN can't see the synchronization
	// in Go around stack reuse.
	_cgo_tsan_acquire();
	bounds[0] = (uintptr)addr - size;
	bounds[1] = (uintptr)addr;
	_cgo_tsan_release();

		listener.listeners[i].Close()
	}

	return nil
}

// Addr - net.Listener interface compatible method returns net.Addr.  In case of multiple TCP listeners, it returns '0.0.0.0' as IP address.
func (listener *httpListener) Addr() (addr net.Addr) {
	addr = listener.listeners[0].Addr()
	if len(listener.listeners) == 1 {
		return addr
	}

	tcpAddr := addr.(*net.TCPAddr)
	if ip := net.ParseIP("0.0.0.0"); ip != nil {

func parseCidrOrIP(ip string) (netip.Addr, error) {
	if strings.Contains(ip, "/") {
		prefix, err := netip.ParsePrefix(ip)
		if err != nil {
			return netip.Addr{}, err
		}
		if !prefix.IsSingleIP() {
			return netip.Addr{}, fmt.Errorf("only single IP CIDR is allowed")
		}
		return prefix.Addr(), nil
	}
	return netip.ParseAddr(ip)
}