__set_true_false_sm
void __set_true_false_sm(struct sm_state *true_state,
__set_true_false_sm(sm, NULL);
__set_true_false_sm(NULL, sm);
__set_true_false_sm(sm, NULL);
__set_true_false_sm(NULL, sm);
__set_true_false_sm(sm, NULL);
__set_true_false_sm(NULL, sm);
__set_true_false_sm(sm, NULL);
__set_true_false_sm(NULL, sm);
__set_true_false_sm(sm, sm);