C Data Types
Now let's look at the specifics of the basic data types used by C. For each type, we describe how to declare a variable, how to represent a constant, and what a typical use would be. Some pre-ANSI C compilers do not support all these types, so check your manual to see which ones you have available.
The int Type
C offers a variety of integer types. They vary in the range of values offered and in whether negative numbers can be used. The int type is the basic choice, but should you need other choices to meet the requirements of a particular task or machine, they are available.
The int type is a signed integer. That means it must be an integer and it can be positive, negative, or zero. The range in possible values depends on ...
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