Absolute Beginner’s Guide to C, 2nd Edition

12. How Do I Test Several Things at Once?

With Logical Operators

In This Chapter

Getting Logical

124

The Order of Logical Operators

130

Sometimes the relational operators described in Chapter 11, “How Can I Compare Two Values?,” simply can’t express all the testing conditions. For example, if you wanted to test whether a numeric or character variable is within a certain range, you would have to use two if statements, like this:

Although there’s nothing wrong with using nested if statements, they’re not extremely straightforward and their logic ...