- new = nfa_fragment_create (NULL, NULL);
- nfa_add_states (new, a->states_head, a->states_tail);
- nfa_add_states (new, b->states_head, b->states_tail);
- new->start = a->start;
- new->end = b->end;
+ new_nfa = nfa_fragment_create (NULL, NULL);
+ nfa_add_states (new_nfa, a->states_head, a->states_tail);
+ nfa_add_states (new_nfa, b->states_head, b->states_tail);
+ new_nfa->start = a->start;
+ new_nfa->end = b->end;