1 extern void abort (void); 2 3 int arr[] = {1,2,3,4}; 4 int count = 0; 5 6 int incr(void)7 incr (void) 8 { 9 return ++count; 10 } 11 main()12 int main() 13 { 14 arr[count++] = incr (); 15 if (count != 2 || arr[count] != 3) 16 abort (); 17 return 0; 18 } 19