ITPUB

Jul 3, 2017 · Fundamentals

Mastering Finite State Machines in C: From Simple If/Else to Function Pointers

This article explains what a finite state machine (FSM) is, where it is commonly used, and walks through three C implementations—plain if/else, switch‑case, and a function‑pointer table—highlighting their advantages, drawbacks, and providing complete code examples.