C Function Global Variable

Description

Click the following links for the tutorial for Function and Global Variable.

1. Sharing Variables Between Functions with Global variables
2. What are Global Variables
3. An example that uses extern.
4. Global variables are created and defined outside any function, including the main() function.
5. Demonstration of the difference between global variables and local variables.
6. Demonstrates local variables to hide the global variable
7. Illustrates declaring external variables.
8. Create global variable outside any function



9. Using a global and duplicate variable in main
10. Uses an external variable