Functions in C

Functions in C

1. Declaration

   • It is mainly before the main function, and it is in this form: return_type function_name(parameters);

2. Prototype

   • When the parameter types and names are included in a declaration, the declaration is called a function prototype.

3. Definition

   • Defining the function we want to introduce. The return statement is used to send a value back to the calling statement.

4. Calling

   • Introducing the function inside the main function