net_protocol_lookup
ipst->ips_ip4_observe_pr = net_protocol_lookup(id, NHF_INET);
ipst->ips_ip6_observe_pr = net_protocol_lookup(id, NHF_INET6);
ins->ipdn_v4hdl = net_protocol_lookup(ins->ipdn_netid, NHF_INET);
ins->ipdn_v6hdl = net_protocol_lookup(ins->ipdn_netid, NHF_INET6);
ifs->ifs_ipf_ipv4 = net_protocol_lookup(id, NHF_INET);
ifs->ifs_ipf_ipv6 = net_protocol_lookup(id, NHF_INET6);
ifs->ifs_ipf_viona = net_protocol_lookup(ifs->ifs_netid,
if ((ips->ips_ndv4 = net_protocol_lookup(netid, NHF_INET)) != NULL) {
if ((ips->ips_ndv6 = net_protocol_lookup(netid, NHF_INET6)) != NULL) {
extern net_handle_t net_protocol_lookup(netid_t, const char *);