![]() ![]() ![]() In C++, all the header files may or may not end with the .h extension but in C, all the header files must necessarily begin with the.h extension. The C/C++ Standard Library offers its users a variety of functions, one of which is header files. So, let’s start and explore the depth of header files of C/C++, which will be helping you out in numerous ways. ![]() Before the source code is compiled, it gets automatically processed due to the presence of preprocessor directives. The word “pre” means “before” and the word “processor” means “to make something”. The term “ preprocessor” is self-explanatory. Each program requires at least one header file to work.īefore we begin our discussion, it is important to understand, what are preprocessor directives? These are the basic building blocks of header files in C and C++. We are going to discuss each and everything about header files in C/C++. Get Certified in C Programming for Free and Take Your Skills to the Next LevelĪre you aware of the various Header Files in C/C++? If not, there’s no need to worry. ![]()
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