#include <iostream>

using namespace std;

char *answer( char *question);

int main()
{
    cout << answer( "How are you? ") << endl;
    return 0;
}

// very bad code!!
char *answer( char *question)
{
    cout << question;
    char buffer[80];
    cin >> buffer;      // buffer overrun!!
    return buffer;      // never do this!
}