C Overview and Program Structure
This chapter explains the structure of C programs as it pertains to embedded microcontrollers. A short example program is used to introduce the reader to each of the basic C elements.
Compilation units (sometimes called translation units), functions, statements, compound statements, expressions, and data declarations are all introduced. The unique C preprocessor concept is covered with some simple preprocessor directive samples. This chapter shows how constants, variables, operators, and function calls make up the basic components of an expression and how they are used together in the C programming language. The basics of functions calls, including passing and returning data, are included. ...
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