Tutorial 4 Section A (e) [extern function]

//http://pastebin.com/u/TheWhiteFang
//this code contains 3 parts (mainstr.cpp,str.cpp,str.h)

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//str.cpp
//declare string
#include <string>

using namespace std;

string name = "AFK";
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//str.h
#ifndef STR_H // header guards
#define STR_H
#include <string>


using namespace std;
// extern tells the compiler this variable is declared elsewhere
extern string name;

#endif;
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//mainstr.cpp

#include "str.h"
#include <iostream>

int main()
{
    cout << name <<endl;
    return 0;
}