C++ Programming Tutorial for Beginners in English – Part 6 | C++ Functions Tutorial | C++ Functions Lecture. Topics covered in this tutorial are:
What is a function?
Why do we use functions?
What is the structure of a function defintion? function header (return type, function name, formal parameters), function body, return statement
How to invoke a function.
Scope and Lifetime of Variables
Program Call Stack
Local and Global Variables
The need for function declarations in C++.
The syntax of function declarations in C++.

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C C++ Programming