---
title: "Discussion on \"Brief about C Headers and Linking\" | Hashnode"
description: "Discussion on \"Brief about C Headers and Linking\". Headers define the prototypes of the functions , datatypes , Macros and Includes guards = ( To prevent multiple inclusions of the same header file).\n// myheader.h\n\n#ifndef MYHEADER_H  // Include guard\n\n#define MYHEADER_H\n\n// Function prototypes\n\nvoid..."
url: "https://hashnode.com/posts/brief-about-c-headers-and-linking/678d39e228b83dec5cb14f01"
---

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# [Brief about C Headers and Linking](https://headers-in-c.hashnode.dev/brief-about-c-headers-and-linking?utm_source=hashnode&utm_medium=feed)

Headers define the prototypes of the functions , datatypes , Macros and Includes guards = ( To prevent multiple inclusions of the same header file). // myheader.h #ifndef MYHEADER\_H // Include guard #define MYHEADER\_H // Function prototypes void...

Jan 19, 2025 · 2 min read · headers-in-c.hashnode.dev  
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-   [#c](https://hashnode.com/tag/c)
-   [#header](https://hashnode.com/tag/header)
-   [#low-level-programming](https://hashnode.com/tag/low-level-programming)

## Written by

[Rahul Phoolbhati](https://hashnode.com/@RahulLrnit)

@RahulLrnit

  
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Just trying to learn.

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