__rpc_getconfip
extern struct netconfig *__rpc_getconfip(const char *);
nconf = __rpc_getconfip("tcp");
nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp");
nconf = __rpc_getconfip("udp");
if ((nconf = __rpc_getconfip(netid)) == NULL) {
if ((nconf = __rpc_getconfip(tp)) == NULL) {
extern struct netconfig *__rpc_getconfip(const char *);
if ((nconf = __rpc_getconfip("udp")) == NULL &&
(nconf = __rpc_getconfip("tcp")) == NULL)