raw []byte // raw message
}

// Sys implements the Sys method of Message interface.
func (m *InterfaceAddrMessage) Sys() []Sys { return nil }

// An InterfaceMulticastAddrMessage represents an interface multicast
// address message.
type InterfaceMulticastAddrMessage struct {
	Version int    // message version
	Type    int    // message type
	Flags   int    // interface flags
	Index   int    // interface index

	if len(b) < w.bodyOff {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {
		return nil, errInvalidMessage
	}
	m := &InterfaceMulticastAddrMessage{
		Version: int(b[2]),
		Type:    int(b[3]),
		Flags:   int(nativeEndian.Uint32(b[8:12])),
		Index:   int(nativeEndian.Uint16(b[12:14])),
		raw:     b[:l],
	}
	var err error

	}
	msgs, err := route.ParseRIB(syscall.NET_RT_IFMALIST, rib)
	if err != nil {
		return nil, err
	}
	ifmat := make([]Addr, 0, len(msgs))
	for _, m := range msgs {
		switch m := m.(type) {
		case *route.InterfaceMulticastAddrMessage:
			if ifi.Index != m.Index {
				continue
			}
			var ip IP
			switch sa := m.Addrs[syscall.RTAX_IFA].(type) {
			case *route.Inet4Addr:
				ip = IPv4(sa.IP[0], sa.IP[1], sa.IP[2], sa.IP[3])

pkg syscall (darwin-arm64), type InterfaceMessage struct, Header IfMsghdr
pkg syscall (darwin-arm64), type InterfaceMulticastAddrMessage //deprecated
pkg syscall (darwin-arm64), type InterfaceMulticastAddrMessage struct
pkg syscall (darwin-arm64), type InterfaceMulticastAddrMessage struct, Data []uint8
pkg syscall (darwin-arm64), type InterfaceMulticastAddrMessage struct, Header IfmaMsghdr2
pkg syscall (darwin-arm64), type Iovec struct

pkg syscall (freebsd-arm64), type InterfaceMulticastAddrMessage //deprecated
pkg syscall (freebsd-arm64), type InterfaceMulticastAddrMessage struct
pkg syscall (freebsd-arm64), type InterfaceMulticastAddrMessage struct, Data []uint8
pkg syscall (freebsd-arm64), type InterfaceMulticastAddrMessage struct, Header IfmaMsghdr
pkg syscall (freebsd-arm64), type Iovec struct

pkg syscall (freebsd-riscv64), type InterfaceMulticastAddrMessage //deprecated #53466
pkg syscall (freebsd-riscv64), type InterfaceMulticastAddrMessage struct #53466
pkg syscall (freebsd-riscv64), type InterfaceMulticastAddrMessage struct, Data []uint8 #53466
pkg syscall (freebsd-riscv64), type InterfaceMulticastAddrMessage struct, Header IfmaMsghdr #53466
pkg syscall (freebsd-riscv64), type Iovec struct #53466

		{"InterfaceMessage", Type, 0},
		{"InterfaceMessage.Data", Field, 0},
		{"InterfaceMessage.Header", Field, 0},
		{"InterfaceMulticastAddrMessage", Type, 0},
		{"InterfaceMulticastAddrMessage.Data", Field, 0},
		{"InterfaceMulticastAddrMessage.Header", Field, 0},
		{"InvalidHandle", Const, 0},
		{"Ioperm", Func, 0},
		{"Iopl", Func, 0},
		{"Iovec", Type, 0},