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Hacking: The Art of Exploitation, 2nd Edition by Jon Erickson

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More Fundamental Programming Concepts

In the following sections, more universal programming concepts will be introduced. These concepts are used in many programming languages, with a few syntactical differences. As I introduce these concepts, I will integrate them into pseudo-code examples using C-like syntax. By the end, the pseudo code should look very similar to C code.

Variables

The counter used in the for loop is actually a type of variable. A variable can simply be thought of as an object that holds data that can be changed— hence the name. There are also variables that don't change, which are aptly called constants. Returning to the driving example, the speed of the car would be a variable, while the color of the car would be a constant. ...

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