It does sound like they know something of a lisp-like programming model, but in C none of that is applicable because structs have fields at fixed offsets. In sp

It does sound like they know something of a lisp-like programming model, but in C none of that is applicable because structs have fields at fixed offsets. In spite of lisp's obvious superiority, I think it could be useful to learn how the unenlightened languages people actually use do this stuff.