ifaof_ifpforaddr
struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, if_t);
if ((ifa = ifaof_ifpforaddr(gateway, ifp)) == NULL)
ifa = ifaof_ifpforaddr(dst, ifa->ifa_ifp);
info->rti_ifa = ifaof_ifpforaddr(info->rti_info[RTAX_DST], info->rti_ifp);
info->rti_ifa = ifaof_ifpforaddr(sa, info->rti_ifp);
info->rti_ifa = ifaof_ifpforaddr(gateway, info->rti_ifp);
struct ifaddr *ifa = ifaof_ifpforaddr(gw, ifp);
info.rti_ifa = ifaof_ifpforaddr(ifa->ifa_addr, info.rti_ifp);
struct in_ifaddr *ia = (struct in_ifaddr *)ifaof_ifpforaddr(l3addr, ifp);
ia = (struct in_ifaddr *)ifaof_ifpforaddr(
ia = (INA)ifaof_ifpforaddr((SA)&ipaddr,
ifa = ifaof_ifpforaddr(l3addr, ifp);
if ((ifa = ifaof_ifpforaddr(gw, ifp)) == NULL)
ifa = ifaof_ifpforaddr(attrs->nha_gw, attrs->nha_oif);
struct ifaddr *ifa = ifaof_ifpforaddr(gw_sa, nh->nh_ifp);
ifa = ifaof_ifpforaddr(gw_sa, nh->nh_ifp);