iface_Add
return !iface_Add(arg->bundle->iface, &arg->bundle->ncp, &ifa, &peer, how);
extern int iface_Add(struct iface *, struct ncp *, const struct ncprange *,
if (!iface_Add(bundle->iface, &bundle->ncp, &myrange, &hisncpaddr,
if (!iface_Add(bundle->iface, &bundle->ncp, &myrange, &ipv6cp->hisaddr,