Open Source Linux

Jun 14, 2024 · Fundamentals

Mastering C State Machines: Switch‑Case, Table‑Driven, and Function‑Pointer Techniques

This article explains how to implement finite state machines in C using three approaches—switch‑case, table‑driven, and function‑pointer—detailing their structures, code examples, trade‑offs, and extensions such as compressed tables and hierarchical state machines for robust embedded systems.