Absolute Beginner’s Guide to C, 2nd Edition

14. How Can I Do the Same Stuff Over and Over?

With while and do-while Loops

In This Chapter

while We Repeat

150

Using while

152

Using do-while

153

Now that you’ve learned the operators, you’re ready to play “loop-the-loop” with your programs. A loop is simply a section of code that repeats a few times. You don’t want a loop to repeat forever. That’s called an infinite loop. The loops you write (if you write them properly, and of course you will) should come to a conclusion when they finish doing the job you set them up to do.

Why would you want a program to loop? The answer becomes clear when you think about the advantage of using a computer ...