C++ code - 8 lines

Link:

C++, pasted on Jul 23:

struct B1 { };
struct B2 { };
struct D  : B1, B2 { };

int main() {
   D d;
   cout << (B1*)&d << " " << (B2*)&d << " " << &d;
}

Output:

1	0xbf6ad95b 0xbf6ad95b 0xbf6ad95b