How to add header file paths in vscode

How to add header file paths in Visual Studio Code? Open the Settings page and search for the "c_cpp_properties.includePath" setting. Under "Include Path", add the path to the header file you want to include, separated by a semicolon. Use the #include keyword to specify the location of the header files in the standard library or project folder. Create a Makefile and add an INCLUDES row, specifying the include path. Compile the project and restart VSCode.

How to add header file paths in Visual Studio Code

Setting Included Path

1. Open the Settings page in VSCode (File > Preferences > Settings).
2. Search for the "c_cpp_properties.includePath" setting.
3. Under "Editor: C/C: Include Path", add the path to the header file you need to include. Multiple paths can be separated using semicolons (;).

Example

 <code class="json">"c_cpp_properties.includePath": [ "/home/user/my_project/include", "/usr/include", "/usr/local/include" ]</code>

Other methods

Use #include <path_to_header></path_to_header>

If you know that the header files are in the standard library, you can use the #include <path_to_header></path_to_header> syntax. VSCode will automatically look for the header file in the standard library include path.

Use #include "path_to_header"

If you know that the header file is in the project folder, you can use the #include "path_to_header" syntax. VSCode will automatically look for the header file in the project folder include path.

Using Makefile

Create Makefile

1. Create a file named Makefile in the project directory.
2. Add the following line:

 <code class="makefile">INCLUDES = -I/home/user/my_project/include -I/usr/include -I/usr/local/include</code>

Compilation

 <code class="bash">make</code>

Remark

• Make sure the header file path is correct and contains the necessary header files.
• If you are using the compiler flag (such as -I ), add it to the "c_cpp_properties.compilerArgs" setting.
• Restart VSCode for the changes to take effect.

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