function pointers in C++

[elathan@phys.uoa.gr]

Hello! 
 
Suppose I have: 
 
class Foo 
{ 
public: 
	Foo(); 
	~Foo(); 
	int bar(int); 
}; 
 
Now, why I can't do this: 
 
Foo *f = new Foo(); 
taz(f->bar); 
 
Where taz()'s protype is: 
 
void taz(int (*f)(int)); 
 
In plain C, I can do: 
 
int f(int) { ... } 
taz(f); 
 
without a problem. Is there a way to accomplish such a thing (i.e. 
to pass the pointer of a C++ class's member function to another 
function that expects a pointer to function as an argument)? 
 
Regards, 
--