Here are the data structures with brief descriptions:

evas_body_dofs_list_t	Body dofs definition
evas_body_dofs_t	Dofs positions for one body
evas_body_list_t	List of tracked bodies (a.k.a. "markersets")
evas_body_markers_list_t	Body markers definition
evas_body_markers_t	Marker positions for one body
evas_body_segments_list_t	Body segments definition
evas_body_segments_t	Segments coordinates for one body
evas_msg_t	Messages streamed by the server
evas_unrecognized_markers_t	Unrecognized markers positions