- r = clnt_call(ysd->dom_client, YPPROC_FIRST,
- xdr_ypreq_nokey, &yprnk, xdr_ypresp_key_val, &yprkv, tv);
- if (r != RPC_SUCCESS) {
- if (tries++)
- clnt_perror(ysd->dom_client, "yp_first: clnt_call");
- ysd->dom_vers = -1;
+ r = clnt_call(ysd->dom_client, YPPROC_FIRST, (xdrproc_t)xdr_ypreq_nokey, &yprnk, (xdrproc_t)xdr_ypresp_key_val, &yprkv, tv);
+ if (r != RPC_SUCCESS)
+ {
+ if (tries++) clnt_perror(ysd->dom_client, "yp_first: clnt_call");
+
+ if (proto == YP_BIND_UDP) proto = YP_BIND_TCP;
+ else proto = YP_BIND_UDP;
+ ysd->dom_vers = proto;
+