3. How do you add program comments, and why are they used?
I start a comment with /* and end it with */
/* So, this is a comment. */
If I'm using C99, I can also start a comment with //
// This is a C99 comment.
The reason why I use comments is to explain my source code to any person reading it (which could be myself). This makes my code more maintainable, self-documenting, and hopefully stops bugs from occurring.
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