A small cooperative task framework for calling task fns asynchronously
For async calling of process functions (fns) this very-tiny-task subsystem may safe some efford for you. Could be used for running systems e.g.for a process with sub processes or as a base of a small (sub) system with multiple tasks and/or state machines.
Source code in C. Should work in C++ as well.
JSPP is an untyped, java-like scripting language designed to be embedded in applications. It's written in C and can be compiled on VC/Win, Tandem (HP Non-Stop), and Linux.