monty C project on 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

Usage All the files are compiled in the following form:

gcc -Wall -Werror -Wextra -pedantic *.c -o monty.

To run the program:

./monty bytecode_file