Stacks, Queues - LIFO, FIFO

General

• What do LIFO and FIFO mean
• What is a stack, and when to use it
• What is a queue, and when to use it
• What are the common implementations of stacks and queues
• What are the most common use cases of stacks and queues
• What is the proper way to use global variables

Resources:

• Google

• How do I use extern to share variables between source files in C?

• Stacks and Queues in C

• Stack operations

• Queue operations

More:

• Here is a link to a GitHub repository that could help you making sure your errors are printed on stderr