svc_find
while ((s = svc_find(prog, vers, &prev, NULL)) != NULL_SVC) {
if ((s = svc_find(prog, vers, &prev, netid)) != NULL_SVC) {
while ((s = svc_find(prog, vers, &prev, NULL)) != NULL_SVC) {
static struct svc_callout *svc_find();
if ((s = svc_find(prog, vers, &prev, netid)) != NULL_SVC) {