State machines in C

Question

What is the best way to write a state machine in C?
I usually write a big switch-case statement in a for(;;), with callbacks to re-enter the state machine when an external

Answer 1

Switch statements are a good way to get started, but they tend to get unwieldy when the FSM gets larger.

A couple related (or duplicate) SO questions with great information and ideas:

• state machines tutorials
• C state-machine design