eui64_copy
eui64_copy((*cp), (ll)), \
eui64_copy((ll), (*cp)), \
eui64_copy(addr.s6_addr32[2], wo->ourid);
eui64_copy(addr.s6_addr32[2], wo->hisid);
eui64_copy(ifaceid, addr.s6_addr[8]);
eui64_copy(wo->hisid, ifaceid);
eui64_copy(wo->hisid, ifaceid);
eui64_copy(wo->hisid, ifaceid);
eui64_copy(ifaceid, ho->hisid);
eui64_copy(eui64, s->sin6_addr.s6_addr32[2]), \
eui64_copy(sin6->sin6_addr.s6_addr32[2],
eui64_copy(sin6->sin6_addr.s6_addr32[2],