Oleg Alexandrov

 Profile Answers by Oleg Alexandrov 

• Jun 24th, 2011

 

Because there is no "object" or "value" which you'd get by dereferencing a pointer to it. Functions are not objects. You cannot copy them, delete them, create them using "new", etc. They only exist as a collection of binary instructions and data, and the most one can do is to get the address of that collection and pass that address around.

mehulgala177

 Profile Answers by mehulgala177 Questions by mehulgala177

• Sep 22nd, 2011

 

It is possible to dereference a function pointer.
By doing so, v will get the address of the function it points to.

Try this code :

Code
#include <iostream>


#include <tchar.h>


 


using namespace std;


 


int sum(int a, int b)


{


            return a+b;


}


 


int _tmain(int argc, _TCHAR* argv[])


{


            int (* ptr)(int, int) = sum;


 


            cout << *ptr << endl;


 


            return 0;


}