What are header files or library files, explain

Header files (library files):-

Header file are part of C compiler. These files contain definitions of standard library functions. There are several header files. Each header file contains definitions of one type of function only.

For example, the math.h header file contains definitions of mathematical functions available in C language. Each header file has an execution .h. The preprocessor directive “include” is used to add a header file into the program. The name of the file is written in angle brackets (< >) after “#include” directive. The syntax to include a header file is:

#include
Given the name of the header file in angle rackets specifies that the header file is located in the include directory of the compiler program.


Posted by: Wasim Javed