To be honest, you are biting off WAY more than you can chew. You need to learn the fundamentals of programming before you try to start anything this advanced.

Reading raw byte data is not trivial, even for an experienced programmer, if you are not familiar with looping constructs then you will not get anywhere with this particular task.

In all seriousness I suggest you grab a book about programming, you'll be coding like a pro in no time.