RTA_IFP
if ((ifm->ifm_addrs & RTA_IFP) == 0)
if (ifm->ifm_addrs & RTA_IFP) {
if (ifm->ifm_addrs & RTA_IFP) {
case RTA_IFP:
case RTA_IFP:
rtm_addrs |= RTA_IFP;
NEXTADDR(RTA_IFP, so_ifp);
case RTA_IFP:
#define RTA_IGN (RTA_DST|RTA_GATEWAY|RTA_NETMASK|RTA_IFP|RTA_IFA|RTA_BRD)
getaddr(RTA_IFP, *++argv, 0);
if (rtm->rtm_addrs & (RTA_IFP | RTA_IFA)) {
if (rtm->rtm_addrs & RTA_IFP) {