NULL_SVC
while ((s = svc_find(prog, vers, &prev, NULL)) != NULL_SVC) {
if (prev == NULL_SVC) {
s->sc_next = NULL_SVC;
p = NULL_SVC;
for (s = svc_head; s != NULL_SVC; s = s->sc_next) {
for (s = svc_head; s != NULL_SVC; s = s->sc_next) {
if ((s = svc_find(prog, vers, &prev, netid)) != NULL_SVC) {
while ((s = svc_find(prog, vers, &prev, NULL)) != NULL_SVC) {
if (prev == NULL_SVC) {
s->sc_next = NULL_SVC;
if ((s = svc_find(prog, vers, &prev, netid)) != NULL_SVC) {