mask = CIDRMask(pfxlen, 8*IPv6len)
			}

			addrs = append(addrs, &IPNet{IP: ip, Mask: mask})
		}
	}

	return addrs, nil
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
	return nil, nil

					copy(ifa.IP, sa.Addr[:])
					ifat = append(ifat, ifa)
				}
			}
		}
	}
	return ifat, nil
}

// interfaceMulticastAddrTable returns addresses for a specific
// interface.
func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
	aas, err := adapterAddresses()
	if err != nil {
		return nil, err
	}
	var ifat []Addr
	for _, aa := range aas {

func (ifi *Interface) MulticastAddrs() ([]Addr, error) {
	if ifi == nil {
		return nil, &OpError{Op: "route", Net: "ip+net", Source: nil, Addr: nil, Err: errInvalidInterface}
	}
	ifat, err := interfaceMulticastAddrTable(ifi)
	if err != nil {
		err = &OpError{Op: "route", Net: "ip+net", Source: nil, Addr: nil, Err: err}
	}
	return ifat, err
}

// Interfaces returns a list of the system's network interfaces.