C++ File rename

#include <iostream>
#include <stdio.h>

using namespace std;

int main()/*  w  w  w . j a  va  2  s.  co  m*/
{
    if (rename("dog1.txt","dog2.txt") == 0)
    {
        cout << "Renaming dog1.txt to dog2.txt." << endl;
    }

    if (rename("dog2.txt","dog1.txt") == 0)
    {
        cout << "Renaming dog2.txt to dog1.txt." << endl;
    }

    if (rename("dog1.txt","temp/dog1.txt") != 0)
    {
        cout << "Same old story. No respect at all." << endl;
    }
    return 0;
}