-extern fib_protocol_t fib_proto_from_api_address_family (int af);
-extern int fib_proto_to_api_address_family (fib_protocol_t fproto);
+extern int fib_proto_from_api_address_family (vl_api_address_family_t af, fib_protocol_t *out);
+extern vl_api_address_family_t fib_proto_to_api_address_family (fib_protocol_t fproto);