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  4. Let Us C Chapter 12 with Exercise Solution : The C Preprocessor
The C Pre-Processor | What is Preprocessor? Need and Advantages
Duration: 13:20 Min | Sep 07, 2023
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What is a Preprocessor? A preprocessor is a text processing tool that scans the source code before compilation and performs various transformations based on specific instructions called directives. These directives begin with a hash symbol (#) and are executed before the actual compilation process begins. The preprocessor operates independently of the compiler, enabling developers to manipulate the source code to enhance readability, code reuse, and efficiency.