Applications were also written in GEOS Object C (GOC), which was a C preprocessor that added object-oriented features to C (similar to Objective C or early C++)

Applications were also written in GEOS Object C (GOC), which was a C preprocessor that added object-oriented features to C (similar to Objective C or early C++). Example: https://github.com/bluewaysw/pcgeos/blob/master/Appl/GPCMail/Main/mainPrimary.goc https://github.com/bluewaysw/pcgeos/blob/master/Appl/GPCMail...