Implementing sand/water Simulation in C language and allegro Library Real-Time algorithm

in a clear and clean code practice, it is required to Implement sand/water Simulation in C language and allegro Library and Real-Time algorithm pThread Library and other

example in YouTube https://www.youtube.com/watch?v=VLZjd_Y1gJ8&t=234s&ab_channel=JohnJackson
the code must be submitted in progress