Here are the data structures with brief descriptions:

Ckate_bitmap
Ckate_color
Ckate_comment
Ckate_curve
Ckate_event
Ckate_font_mapping
Ckate_font_range
Ckate_info
Ckate_motion
Ckate_packet
Ckate_palette
Ckate_region
Ckate_state
Ckate_style
Ckate_tracker