rtm_addr
rtm_addr(RTM_NEWADDR, ifa);
rtm_addr(RTM_DELADDR, ifa);
void rtm_addr(int, struct ifaddr *);
rtm_addr(RTM_CHGADDRATTR, &ia6->ia_ifa);
rtm_addr(RTM_CHGADDRATTR, ifa);
rtm_addr(RTM_CHGADDRATTR, ifa);
rtm_addr(RTM_CHGADDRATTR, dp->dad_ifa);