servent_test_correctness
if (servent_test_correctness(serv, NULL) == 0)
if (servent_test_correctness(serv, NULL) != 0)
if (servent_test_correctness(serv, NULL) != 0)
if ((servent_test_correctness(serv, NULL) != 0) ||
return (servent_test_correctness(serv, NULL));
static int servent_test_correctness(struct servent *, void *);