RTAX_IFP
#define INFO_IFP(I) ((I)->rti_info[RTAX_IFP])
info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr;
const struct sockaddr *ifpaddr = info->rti_info[RTAX_IFP];
if (info->rti_info[RTAX_IFP] != NULL) {
ifa2 = ifa_ifwithnet(info->rti_info[RTAX_IFP]);
if (info->rti_info[RTAX_IFP] != NULL) {
ifa = ifa_ifwithnet_psref(info->rti_info[RTAX_IFP], psref);
if (newgw || info->rti_info[RTAX_IFP] != NULL ||
info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr;
info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr;
info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr;
info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr;
info.rti_info[RTAX_IFP] = NULL;
(~((1 << RTAX_IFP) | (1 << RTAX_IFA)))) & (~0U << i)) != 0)
info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr;
info->rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr;
sdl = (struct sockaddr_dl *)rti_info[RTAX_IFP];
sdl = (struct sockaddr_dl *)rti_info[RTAX_IFP];
rtax = RTAX_IFP;