> In C, you just have a wrapper that does unconditional setup, passes the acquired resources to a worker, and unconditionally cleans up. Then the worker can ret

> In C, you just have a wrapper that does unconditional setup, passes the acquired resources to a worker, and unconditionally cleans up. Then the worker can return whenever it like Right, so you allow early return only in functions that do not have any setup and clean-up - where it's safe. Something like "pure" functions. And you describe a way to extract such functions from others.