The oldest functions-with-data attempt for C (ie compiler people call that closures) was much older, Bruno Haible's callback library. https://savannah.gnu.org/p

The oldest functions-with-data attempt for C (ie compiler people call that closures) was much older, Bruno Haible's callback library. https://savannah.gnu.org/projects/libffcall/ https://savannah.gnu.org/projects/libffcall/