FWIW, you can implement cooperative multithreading yourself, by using the Fiber API on Windows, or with a few unstandardized function calls on Linux/probably ot

FWIW, you can implement cooperative multithreading yourself, by using the Fiber API on Windows, or with a few unstandardized function calls on Linux/probably other unixes. It works beautifully (of course, putting the fact that it's slightly "magical" aside). It's much more comfortable to write Javascript-style programs in C than it is in Javascript (where you need to chain callbacks) this way :-)