1 2 int a, b, d; 3 short c; 4 5 int foo()6 foo () 7 { 8 for (b = 0; b; b = a) 9 for (c = 18; c < 10; c++) 10 { 11 d = c; 12 if (d) 13 return 0; 14 } 15 return 0; 16 } 17