C++ Access member function using pointer

I am not able to access member function using pointer.Find the below code and Error message The Error message is mentioned here error: request for member ‘getstream’ in ‘* objA.A::getfunction()’, which is of non-class type ‘int’ ret = objA.getfunction()->getstream();

#include <iostream>

using namespace std;

class A {
    public: 
    int *getfunction();
    int getstream();
};
int* A::getfunction()
{
      static  int a;
     a= getstream();

    return &a;
}

int getstream()
{
    return 1;
}
int main()
{
int *ret;
A objA;
ret = objA.getfunction()->getstream();
cout << ret;
return 0;
}