1 int a, b, c, d, e, f; 2 3 void fn1()4 fn1 () 5 { 6 for (; e;) 7 { 8 e = f; 9 for (; b;) 10 { 11 b = a; 12 f = a || d ? 0 : c; 13 } 14 d = 0; 15 } 16 } 17