My own implementation of coroutines for C [1] requires each coroutine to have its own stack. It simplifies things quite a bit. [1] https://github.com/spc476/C

My own implementation of coroutines for C [1] requires each coroutine to have its own stack. It simplifies things quite a bit. [1] https://github.com/spc476/C-Coroutines https://github.com/spc476/C-Coroutines [2] [2] More of a "proof-of-concept" than something really meant for production.