Here are the data structures with brief descriptions:

Canimation_t
Cbind_t
Cbutton
Centity_t
Cflags
Cformating
Cgame_info_t
Cinfo_param
Citem_s
Ckeys_t
Clinked_list
Cmap_s
Cmob_s
Cnodes
Cnpc_s
Cobject_s
Cpath_info_s
Cpath_s
Cplayer_s
Crect_s
Cthread_info
Cuser
Cvariables
Cwindow_info_t