Very Computer

1. Need Help With Printing Complete Beginner Need Help!!!

My teacher makes us use prn statements after every single cout so we can
show our work.  Anyway, I just got C++ at home and I can't get the prn's to
work.
Here's my simple program
#include <fstream.h>
#include <iostream.h>
#define PRINT_IT ofstream prn("PRN")
PRINT_IT;
main()
{
    cout << "Blah";
    prn << "Blah";
    return 0;

Blah comes up on the screen and nothing goes out the printer.  Any ideas
would help greatly.  I have an HP 722C printer if that is of any help on
LPT1.  That is how it is set up at school exactly and it won't work at home.

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