Before we continue with typical game related topics, you need to know a few more general techniques that will help you when you write your games. One of these techniques is file I/O. File I/O stands for Input/Output. You are of course already performing file I/O operations, for example when you load an image. However, this is handled by some image library (FreeImage). Sometimes, you simply want to store your own data.
C++ Fast Track for Games Programming Part 15: File I/O
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