ifm := &wireFormat{extOff: 16, bodyOff: sizeofIfMsghdrNetBSD7}
	ifm.parse = ifm.parseInterfaceMessage
	ifam := &wireFormat{extOff: sizeofIfaMsghdrNetBSD7, bodyOff: sizeofIfaMsghdrNetBSD7}
	ifam.parse = ifam.parseInterfaceAddrMessage
	ifanm := &wireFormat{extOff: sizeofIfAnnouncemsghdrNetBSD7, bodyOff: sizeofIfAnnouncemsghdrNetBSD7}
	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
	// NetBSD 6 and above kernels require 64-bit aligned access to

	ifm.parse = ifm.parseInterfaceMessage
	ifam := &wireFormat{extOff: sizeofIfaMsghdrDragonFlyBSD4, bodyOff: sizeofIfaMsghdrDragonFlyBSD4}
	ifam.parse = ifam.parseInterfaceAddrMessage
	ifmam := &wireFormat{extOff: sizeofIfmaMsghdrDragonFlyBSD4, bodyOff: sizeofIfmaMsghdrDragonFlyBSD4}
	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage

	}
	a, err := parseLinkAddr(b[bodyOff:])
	if err != nil {
		return nil, err
	}
	m.Addrs[syscall.RTAX_IFP] = a
	m.Name = a.(*LinkAddr).Name
	return m, nil
}

func (w *wireFormat) parseInterfaceAddrMessage(typ RIBType, b []byte) (Message, error) {
	var bodyOff int
	if typ == syscall.NET_RT_IFLISTL {
		if len(b) < 24 {
			return nil, errMessageTooShort
		}
		bodyOff = int(nativeEndian.Uint16(b[16:18]))
	} else {

	}
	a, err := parseLinkAddr(b[ll:])
	if err != nil {
		return nil, err
	}
	m.Addrs[syscall.RTAX_IFP] = a
	m.Name = a.(*LinkAddr).Name
	return m, nil
}

func (*wireFormat) parseInterfaceAddrMessage(_ RIBType, b []byte) (Message, error) {
	if len(b) < 24 {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {
		return nil, errInvalidMessage
	}

	}
	a, err := parseLinkAddr(b[w.bodyOff:])
	if err != nil {
		return nil, err
	}
	m.Addrs[syscall.RTAX_IFP] = a
	m.Name = a.(*LinkAddr).Name
	return m, nil
}

func (w *wireFormat) parseInterfaceAddrMessage(_ RIBType, b []byte) (Message, error) {
	if len(b) < w.bodyOff {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {
		return nil, errInvalidMessage
	}

	rtm.parse = rtm.parseRouteMessage
	ifm := &wireFormat{extOff: -1, bodyOff: -1}
	ifm.parse = ifm.parseInterfaceMessage
	ifam := &wireFormat{extOff: -1, bodyOff: -1}
	ifam.parse = ifam.parseInterfaceAddrMessage
	ifanm := &wireFormat{extOff: -1, bodyOff: -1}
	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
	return int(unsafe.Sizeof(p)), map[int]*wireFormat{
		syscall.RTM_ADD:        rtm,
		syscall.RTM_DELETE:     rtm,

	ifm2 := &wireFormat{extOff: 32, bodyOff: sizeofIfMsghdr2Darwin15}
	ifm2.parse = ifm2.parseInterfaceMessage
	ifam := &wireFormat{extOff: sizeofIfaMsghdrDarwin15, bodyOff: sizeofIfaMsghdrDarwin15}
	ifam.parse = ifam.parseInterfaceAddrMessage
	ifmam := &wireFormat{extOff: sizeofIfmaMsghdrDarwin15, bodyOff: sizeofIfmaMsghdrDarwin15}
	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage

			ifm.bodyOff = sizeofIfMsghdrFreeBSD11Emu
		} else {
			ifm.bodyOff = sizeofIfMsghdrFreeBSD11
		}
	}
	rtm.parse = rtm.parseRouteMessage
	ifm.parse = ifm.parseInterfaceMessage
	ifam.parse = ifam.parseInterfaceAddrMessage
	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage
	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
	return align, map[int]*wireFormat{
		syscall.RTM_ADD:        rtm,
		syscall.RTM_DELETE:     rtm,