---
title: "Discussion on \"Preprocessor Directives in C++: Compiler Instructions and Conditional Compilation\" | Hashnode"
description: "Discussion on \"Preprocessor Directives in C++: Compiler Instructions and Conditional Compilation\". Preprocessor directives are instructions to the C++ compiler that are executed before the actual compilation process begins. They help you to manage the compilation process, include header files, define constants, and perform conditional compilation...."
url: "https://hashnode.com/posts/preprocessor-directives-in-c-compiler-instructions-and-conditional-compilation/645188097a00e1d8014fdfb8"
---

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# [Preprocessor Directives in C++: Compiler Instructions and Conditional Compilation](https://darleanews.hashnode.dev/preprocessor-directives-in-c-compiler-instructions-and-conditional-compilation?utm_source=hashnode&utm_medium=feed)

Preprocessor directives are instructions to the C++ compiler that are executed before the actual compilation process begins. They help you to manage the compilation process, include header files, define constants, and perform conditional compilation....

May 2, 2023 · 3 min read · darleanews.hashnode.dev  
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