Here are the classes, structs, unions and interfaces with brief descriptions:

CaIO
CaIO_attr
CaIO_mq_t
CaIO_serial_t
CaIO_socket_t
CaIO_tcp_client
Canimated_image
Canimated_sequence_instance
Canimations
Carc_data
Carrow_data
Cball	Object to represent a ball that bounces off walls
Cbuttons_buffer	Structure containing a loopup table containing all the keyboards' buttons states and a lock for accessing said table
Ccircle_data
Cclear_data
Ccoord	Holds a pixel co-ordinate
Cdata_u
Cdraw_job
Cellipse_data
Cerror_print_msg
Cgfx_font
Cgfx_font_ref
Cglobal_offsets
Cimage_data
Cimages
Cline_data
Clist_item
Cloaded_image
Cloaded_image_crop
Cloaded_image_data
Cloaded_sample
Clocked_ball
Cmouse
Cpoly_data
Crect_data
Cring_buf
Cscaled_image_data
Cspritesheet
Cspritesheet_sequence
Cstate	Data object to store a single state's properties and functions
Cstate_machine	The state machine
Ctext_data
Ctriangle_data
Cwall	Object to represent a wall that balls bounce off of
Cwalls