Function is a small sub-program of a big program that is designed in this way so that it can coupled with another function to make a complete program.
C++ have two type of functions
- Language defined functions
- User Defined functions
This tutorial only deals with USER defined functions and its different aspect like function prototype, Function Definitions, How to define functions, How to call a functions, formal arguments, actual arguments, type of variables and a lots that is covered in C++syllabus.