Add a (not-yet-working) example of complex aggregate struct slot access.
Add a (not-yet-working) example of complex aggregate struct slot access.

dkochmanski/cffi,wesen/cffi,akovalenko/cffi,stassats/cffi,dkochmanski/cffi,stassats/cffi,kingcheez/cffi-cheez,akovalenko/cffi,attila-lendvai/cffi,stassats/cffi,kingcheez/cffi-cheez,marsijanin/cffi,cffi/cffi,marsijanin/cffi,dkochmanski/cffi,wesen/cffi,cffi/cffi,dochang/cffi,marsijanin/cffi,kingcheez/cffi-cheez,3b/cffi,dochang/cffi,cffi/cffi,3b/cffi,akovalenko/cffi,mcna/cffi,dochang/cffi,3b/cffi,mcna/cffi,attila-lendvai/cffi,wesen/cffi