Easy; a subclass struct embeds the superclass struct as its first member. Simple example here: https://embeddedgurus.com/state-space/2008/01/object-based-progr

Easy; a subclass struct embeds the superclass struct as its first member. Simple example here: https://embeddedgurus.com/state-space/2008/01/object-based-programming-in-c/ https://embeddedgurus.com/state-space/2008/01/object-based-p... Lots more here: https://stackoverflow.com/questions/351733/how-would-one-write-object-oriented-code-in-c https://stackoverflow.com/questions/351733/how-would-one-wri...