arpannounce
arpannounce(ifp, &ia->ia_ifa, CLLADDR(dl));
arpannounce(ifp, &ia->ia_ifa,
arpannounce(ifa->ifa_ifp, ifa, CLLADDR(ifa->ifa_ifp->if_sadl));
void arpannounce(struct ifnet *, struct ifaddr *, const uint8_t *);
arpannounce(sc->sc_carpdev, ifa, CLLADDR(sc->sc_if.if_sadl));