Index:   int(nativeEndian.Uint16(b[4:6])),
		ID:      uintptr(nativeEndian.Uint32(b[16:20])),
		Seq:     int(nativeEndian.Uint32(b[20:24])),
		extOff:  w.extOff,
		raw:     b[:l],
	}
	errno := syscall.Errno(nativeEndian.Uint32(b[28:32]))
	if errno != 0 {
		m.Err = errno
	}
	var err error
	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[12:16])), parseKernelInetAddr, b[w.bodyOff:])
	if err != nil {

//go:noinline
func f32(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int32) uint64 {
	return uint64(uint32(x))
}

//go:noinline
func f16(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int16) uint64 {
	return uint64(uint16(x))
}

//go:noinline
func f8(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int8) uint64 {
	return uint64(uint8(x))
}

//go:noinline

// exchange.
func TLSCiphers() []uint16 {
	if Enabled {
		return []uint16{
			tls.TLS_AES_128_GCM_SHA256, // TLS 1.3
			tls.TLS_AES_256_GCM_SHA384,
			tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, // TLS 1.2
			tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
			tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
			tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
		}
	}
	return []uint16{
		tls.TLS_CHACHA20_POLY1305_SHA256, // TLS 1.3

type SectionHeader32 struct {
	Name                 [8]uint8
	VirtualSize          uint32
	VirtualAddress       uint32
	SizeOfRawData        uint32
	PointerToRawData     uint32
	PointerToRelocations uint32
	PointerToLineNumbers uint32
	NumberOfRelocations  uint16
	NumberOfLineNumbers  uint16
	Characteristics      uint32
}

// fullName finds real name of section sh. Normally name is stored

	}
	var blockp *uint16
	err = windows.CreateEnvironmentBlock(&blockp, sys.Token, false)
	if err != nil {
		return nil, err
	}
	defer windows.DestroyEnvironmentBlock(blockp)

	const size = unsafe.Sizeof(*blockp)
	for *blockp != 0 { // environment block ends with empty string
		// find NUL terminator
		end := unsafe.Add(unsafe.Pointer(blockp), size)
		for *(*uint16)(end) != 0 {
			end = unsafe.Add(end, size)

		return rangeNum[int8](v.Int())
	case Int16:
		return rangeNum[int16](v.Int())
	case Int32:
		return rangeNum[int32](v.Int())
	case Int64:
		return rangeNum[int64](v.Int())
	case Uint:
		return rangeNum[uint](v.Uint())
	case Uint8:
		return rangeNum[uint8](v.Uint())
	case Uint16:
		return rangeNum[uint16](v.Uint())
	case Uint32:
		return rangeNum[uint32](v.Uint())
	case Uint64:
		return rangeNum[uint64](v.Uint())

	case "uint":
		return fmt.Sprintf("%s(%#x)", t2, uint(v))
	case "uint8":
		return fmt.Sprintf("%s(%#x)", t2, uint8(v))
	case "uint16":
		return fmt.Sprintf("%s(%#x)", t2, uint16(v))
	case "uint32":
		return fmt.Sprintf("%s(%#x)", t2, uint32(v))
	case "uint64":
		return fmt.Sprintf("%s(%#x)", t2, uint64(v))
	case "uintptr":
		return fmt.Sprintf("%s(%#x)", t2, uintptr(v))
	case "float32":

	h := new(udpHeader)
	h.raddr, b = IP(b[:16]), b[16:]
	h.laddr, b = IP(b[:16]), b[16:]
	h.ifcaddr, b = IP(b[:16]), b[16:]
	h.rport, b = uint16(b[0])<<8|uint16(b[1]), b[2:]
	h.lport, b = uint16(b[0])<<8|uint16(b[1]), b[2:]
	return h, b
}

func (sl *sysListener) listenUDP(ctx context.Context, laddr *UDPAddr) (*UDPConn, error) {
	l, err := listenPlan9(ctx, sl.network, laddr)

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

package a

type Ordered interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 |
		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
		~float32 | ~float64 |
		~string
}

// List is a linked list of ordered values of type T.
type List[T Ordered] struct {
	Next *List[T]
	Val  T
}

	if len(b) < w.bodyOff {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {
		return nil, errInvalidMessage
	}
	m := &InterfaceAnnounceMessage{
		Version: int(b[2]),
		Type:    int(b[3]),
		Index:   int(nativeEndian.Uint16(b[4:6])),
		What:    int(nativeEndian.Uint16(b[22:24])),
		raw:     b[:l],
	}
	for i := 0; i < 16; i++ {
		if b[6+i] != 0 {
			continue
		}