The C Preprocessor and #define Directives
Learn about the C preprocessor and how it processes the #define directive.
We'll cover the following
The C prepocessor
The C preprocessor is a part of the C compilation process that recognizes special instructions called directives, analyses them before compilation, and acts on them as required.
The preprocessor can be used to make programs more efficient, more readable, and more portable to multiple systems.
The #define directive
We can use #define directive to assign symbolic names to program constants. For example:
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