^ This, 100%. GTk's GObject type system which powers the entire GNOME stack is a similar object-oriented C type system with a virtual table pointer as the first member of an object, similar to Microsoft COM and C++.
The entire Objective-C runtime which is what powers the OO core of the language was also written with a similar purely C type system... It's just a small compiler layer on top...
The entire Objective-C runtime which is what powers the OO core of the language was also written with a similar purely C type system... It's just a small compiler layer on top...