check_suitable_port
if (check_suitable_port(myport, inp, cred)) {
if (check_suitable_port(*next_ephemeral, inp, cred)) {
if (check_suitable_port(*next_ephemeral, inp, cred)) {
if (check_suitable_port(myport, inp, cred)) {
if (check_suitable_port(myport, inp, cred)) {
if (check_suitable_port(myport, inp, cred)) {