clnttcp_create
clnt = clnttcp_create(addr, prog, vers, fdp, 0, 0);
if ((client = clnttcp_create(&server_addr, PMAPPROG,
*client = clnttcp_create(&addr, prognum, YPDNSVERS,
client = clnttcp_create(address, PMAPPROG, PMAPVERS, &fd, 50, 500);
extern CLIENT *clnttcp_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
extern CLIENT *clnttcp_create();