Here are the data structures with brief descriptions:

Cai_function_t
Centity_t
CFrame
Cjsmn_parser
Cjsmntok_t
CKV_Pair_t
Clevel_t
Cmenu_item_t
Cmenu_t
Cobject_t
Cpower_t
Csound_t
Csprite_t
Cvec2_t