user-defined function in C++ ?

The functions written by the programmer or user to do the specific tasks are called user defined function or programmer defined function.

Elements of user-defined function:-

1. function definition
2. function call
3. function declaration

user-defined function in C++ ?

The program module that is written to achieve a specific task is called function definition

• Function header:- consisting of data types of the value returned by the function the name of the function and parameters.
• Function body:- consisting of set of instruction to do the specific activity.