localSockFilter.Port = localSockaddr.Port
		}
	} else if localSockaddr.Addr.Family == AF_INET6 {
		localSockaddr := (*RawSockaddrInet6)(unsafe.Pointer(&localSockaddr.Addr))
		localSockFilter := (*RawSockaddrInet6)(unsafe.Pointer(&request.filter.local[0]))
		localSockFilter.Family = AF_INET6
		var i int
		for i = 0; i < 16; i++ {
			if localSockaddr.Addr[i] != 0 {
				break
			}
		}

	Addr   [16]byte
	raw    RawSockaddrInet6
}

func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
	if sa.Port < 0 || sa.Port > 0xFFFF {
		return nil, 0, EINVAL
	}
	sa.raw.Family = AF_INET6
	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
	p[0] = byte(sa.Port >> 8)
	p[1] = byte(sa.Port)
	sa.raw.Scope_id = sa.ZoneId
	sa.raw.Addr = sa.Addr
	return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil

}

// SockaddrL2TPIP6 implements the Sockaddr interface for IPPROTO_L2TP/AF_INET6 sockets.
type SockaddrL2TPIP6 struct {
	Addr   [16]byte
	ZoneId uint32
	ConnId uint32
	raw    RawSockaddrL2TPIP6
}

func (sa *SockaddrL2TPIP6) sockaddr() (unsafe.Pointer, _Socklen, error) {
	sa.raw.Family = AF_INET6
	sa.raw.Conn_id = sa.ConnId
	sa.raw.Scope_id = sa.ZoneId
	sa.raw.Addr = sa.Addr

	Addr   [16]byte
	raw    RawSockaddrInet6
}

func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
	if sa.Port < 0 || sa.Port > 0xFFFF {
		return nil, 0, syscall.EINVAL
	}
	sa.raw.Family = AF_INET6
	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
	p[0] = byte(sa.Port >> 8)
	p[1] = byte(sa.Port)
	sa.raw.Scope_id = sa.ZoneId
	sa.raw.Addr = sa.Addr
	return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil

	AF_FILE                       = 0x1
	AF_GOSIP                      = 0x16
	AF_HYLINK                     = 0xf
	AF_IMPLINK                    = 0x3
	AF_INET                       = 0x2
	AF_INET6                      = 0x1a
	AF_INET_OFFLOAD               = 0x1e
	AF_IPX                        = 0x17
	AF_KEY                        = 0x1b
	AF_LAT                        = 0xe
	AF_LINK                       = 0x19