1 static int rule_text_needs_stack_pop = 0; 2 static int input_stack_pos = 1; 3 f(void)4 f (void) 5 { 6 rule_text_needs_stack_pop = 1; 7 8 if (input_stack_pos <= 0) 9 return 1; 10 else 11 return 0; 12 } 13 main()14 main () 15 { 16 f (); 17 exit (0); 18 } 19