cpp reference for header files - PrivacyWall

https://en.cppreference.com/w/cpp/header

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C++ Standard Library headers - cppreference.com

For some of the C standard library headers of the form xxx.h, the C++ standard library both includes an identically-named header and another header of the form cxxx (all meaningful cxxx headers are listed above). The intended use of headers of form xxx.h is for interoperability only.

https://www.learncpp.com/cpp-tutorial/header-files/

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2.11 — Header files – Learn C++ - LearnCpp.com

Header files allow us to put declarations in one place and then import them wherever we need them. This can save a lot of typing in multi-file programs. This program prints “Hello, world!” to the console using std::cout. However, this program never provided a definition or declaration for std::cout, so how does the compiler know what std::cout is?

https://www.geeksforgeeks.org/header-files-in-c-c-with-examples/

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Header Files in C++ - GeeksforGeeks

There are two types of header files in C++: 1. Standard Header Files/Pre-existing header files and their Uses. These are the files that are already available in the C++ compiler we just need to import them. Standard header files are part of the C++ Standard Library and provide commonly used functionalities.

https://stackoverflow.com/questions/540140/what-is-the-convention...

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What is the conventions for headers and cpp files in C++?

You can say one .cpp file and all its included headers make up one translation unit. As the name implies, one translation unit is compiled on its own. The result, often called file.o or file.obj, of each translation unit, is then linked together by the linker, fixing up yet unresolved references. So in your case you have.

https://learn.microsoft.com/en-us/cpp/cpp/header-files-cpp?view=m...

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Header files (C++) | Microsoft Learn

To minimize the potential for errors, C++ has adopted the convention of using header files to contain declarations. You make the declarations in a header file, then use the #include directive in every .cpp file or other header file that requires that declaration.

https://en.cppreference.com/w/c/header

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C Standard Library headers - cppreference.com

A comprehensive reference for the C standard library headers, with syntax, features, and examples. Learn how to use the headers for type support, program utilities, error handling, dynamic memory management, strings, algorithms, numerics, date and time, input/output, localization, and concurrency.

https://www.w3schools.com/cpp/cpp_files.asp

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C++ Files - W3Schools

To use the fstream library, include both the standard <iostream> AND the <fstream> header file: There are three classes included in the fstream library, which are used to create, write or read files: To create a file, use either the ofstream or fstream class, and specify the name of the file. To write to the file, use the insertion operator (<<).

https://learn.microsoft.com/en-us/cpp/standard-library/cpp-standa...

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C++ standard library header files | Microsoft Learn

Header files for the C++ standard library and extensions, by category. 11 Added in the C++11 standard. 14 Added in the C++14 standard. 17 Added in the C++17 standard. 20 Added in the draft C++20 standard. a Deprecated in the C++17 standard. b Removed in the draft C++20 standard. c Deprecated in the C++98 standard. Was this page helpful?

https://en.cppreference.com/w/cpp/header/cmath

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Standard library header <cmath> - cppreference.com

This header was originally in the C standard library as <math.h>. This header is part of the numeric library.

https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

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Header Files (The C Preprocessor) - GCC, the GNU Compiler Collection

System header files declare the interfaces to parts of the operating system. You include them in your program to supply the definitions and declarations you need to invoke system calls and libraries. Your own header files contain declarations for interfaces between the source files of your program.

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