78     COMPointer(const COMPointer<T> &p) { } /* no copy */  in COMPointer()  argument
79     T *p;  variable
84         if (p && p != new_p) {
85             p->Release();
87         p = new_p;
94         return &p;  in replace()
97     operator T*() { return p; }
98     T *operator->(void) { return p; }
99     T &operator*(void) { return *p; }
100     operator bool() { return !!p; }
102     COMPointer(T *p = NULL) : p(p) { }  in p()  argument