Quicksort in C: Random Pivot Implementation

How to implement the quicksort algorithm in C. This algorithm notably uses a randomly selected pivot. Source code: https://github.com/portfoliocourses/c-example-code/blob/main/quicksort.c. Check out https://www.portfoliocourses.com to build a portfolio that will impress employers!

See Quicksort Algorithm Wikipedia article: https://en.wikipedia.org/wiki/Quicksort