Functions and nested loops

In this section, we will explore functions and nested loops in detail

1. Nested While loop
2. Functions
3. Youtube
4. Function prototypes
5. Header files

By the end of this session, you should be able to explain to anyone without the help of Google the following concepts

• What are nested loops and how to use them
• What is the difference between a declaration and a definition of a function
• What is a prototype
• Scope of variables
• What are the gcc flags -Wall -Werror -pedantic -Wextra -std=gnu89
• What are header files and how to to use them with #include