getservice
if (($$.a = getservice($1)) == -1) {
if ((port[0] = getservice($1)) == -1 ||
(port[1] = getservice(p)) == -1) {
int getservice(char *);
if (($$.a = getservice($1)) == -1) {
if (($$.a = getservice($1)) == -1) {
if (($$.a = getservice($1)) == -1 ||
($$.b = getservice(p)) == -1) {