foo(a)1 foo (a) 2 int a; 3 { 4 int b = 8; 5 6 if ((a << b) >= 0) 7 return 1; 8 return a; 9 } 10 main()11 main () 12 { 13 if (foo (0x00ffffff) == 1) 14 puts ("y"); 15 } 16