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Elements of C

This section describes the elements of the C programming language, including the names, numbers, and characters used to construct a C program. The ANSI C syntax labels these components "tokens." This section explains how to define tokens and how the compiler evaluates them.

The following topics are discussed:

The section also includes reference tables for trigraphs, floating-point constants, integer constants, and escape sequences.

"Operators" are symbols (both single characters and character combinations) that specify how values are to be manipulated. Each symbol is interpreted as a single unit, called a token. For more information, see Operators.