1 extern void exit (int); 2 3 int a, b, c, d, e, f[3]; 4 main()5int main() 6 { 7 while (d) 8 while (1) 9 ; 10 int g = 0, h, i = 0; 11 for (; g < 21; g += 9) 12 { 13 int j = 1; 14 for (h = 0; h < 3; h++) 15 f[h] = 1; 16 for (; j < 10; j++) { 17 d = i && (b ? 0 : c); 18 i = 1; 19 if (g) 20 a = e; 21 } 22 } 23 exit (0); 24 } 25 26