pthread_create(&td1, 0, stress, foo1);
pthread_create(&td2, 0, stress, foo2);
pthread_join(td1, &res);
pthread_join(td2, &res);
}
pthread_create(&td1, 0, stress, foo1);
pthread_create(&td2, 0, stress, foo2);
pthread_join(td1, &res);
pthread_join(td2, &res);
}