3. How Do I Know What’s Happening?
In This Chapter
Your computer must be able to understand your programs. Because the computer is a dumb machine, you must be careful to spell C commands exactly right and type them in the same order you want them executed. However, people also read your programs. You will change your programs often, and if you write programs for a company, the company’s needs will change over time. You must ensure that your programs are understandable to people as well as to computers. Therefore, you should document ...