If you look at any list of instructions, i.e. any program in the widest possible sense, then there are only a few very ways that the instructions can be organised. In fact there are just three basic ...

Separating interface from implementation has many practical benefits. Here’s a simple way to do just that, in ANSI-standard C code. How do you organize medium-sized or larger C programs? Few C ...

Flow of control is the difficult part of learning to program. You now should understand the ideas that are behind it but you might be unsure how to use them. The only cure for this is to practice.