1f(int *x) 2{ 3 *x = 0; 4} 5 6main() 7{ 8 int s, c, x; 9 char a[] = "c"; 10 11 f(&s); 12 a[c = 0] = s == 0 ? (x=1, 'a') : (x=2, 'b'); 13 if (a[c] != 'a') 14 abort(); 15 exit (0); 16} 17