Technical requirements
For this chapter, you will need the following:
- A plaintext editor of your choice
 - A console, terminal, or command-line window (depending on your OS)
 - A compiler – either GCC or 
clang– for your particular OS 
The source code for this chapter can be found at https://github.com/PacktPublishing/Learn-C-Programming-Second-Edition/tree/main/Chapter04.