ifa_lookup
ipa = ifa_lookup(s);
if ((n = ifa_lookup(ifg->ifgrq_member)) == NULL)
struct ipsec_addr_wrap *ifa_lookup(const char *ifa_name);
struct ipsec_addr_wrap *ifa_lookup(const char *ifa_name);
ipa = ifa_lookup(s);
if ((n = ifa_lookup(ifg->ifgrq_member)) == NULL)
h = ifa_lookup(j->ifname,
h = ifa_lookup(i->ifname, 0);
if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL)
h = ifa_lookup(ps, flags);
struct node_host *ifa_lookup(const char *, int);