Every C program consists of several components combined in a specific way. Most of this book is devoted to explaining these various program components and how you use them. To help illustrate the overall picture, you should begin by reviewing a complete (though small) C program with all its components identified. In this lesson you learn:
The components of a short C program
The purpose of each program component
How to compile and run a sample program
Listing 2.1 presents the source code ...