net_proto_family  208 include/linux/net.h int sock_register(const struct net_proto_family *fam);
net_proto_family  244 include/net/bluetooth/bluetooth.h int  bt_sock_register(int proto, const struct net_proto_family *ops);
net_proto_family   38 include/net/icmp.h struct net_proto_family;
net_proto_family   59 include/net/ndisc.h struct net_proto_family;