Objects pointing to each other

I have two classes, and I want each to contain a pointer to the other. How do I do this?

(the first is declared, but the 2nd hasn't been, so the compiler doesn't know the type that the pointer is pointing to)

To show what I mean:

Code:

---

class a{
        b* pnt;
};

class b{
        a* pnt;
};

---

Code:

---

class b;

class a{
        b* pnt;
};

class b{
        a* pnt;
};

---

It's called a forward declaration. You should generally use instead of an include when you can, even if you don't have the circular reference.

Cool. Thanks!