Here are the data structures with brief descriptions:

Calpha
Cbenchmark_fibre_t
Cbenchmark_results_t
Cbravo
Ccharlie
Cconductor_fibre_t
Cconsole	Console descriptor
Cconsole_cmd_t	Console command descriptor
Cconsole_gpio_t	GPIO command descriptor
Cevent_descriptor_t
Ceventq_t
Cfibre	Fibre descriptor
Cfibre_eventq	Fibre and eventq descriptor
Clist_iterator_t
Clist_node
Clist_t
Cmessageq_t
Cmlog
Cmlog_line
Coutput_task
Cratelimit_state_t	Control structure used for rate limiting
Cregdump_desc	Register description structure
Crf_benchmark_results_t
Crf_benchmark_t
Crf_enumtable_t	Lookup table used for the conversions
Crf_pack
Crf_wavheader
Cringbuf_t	Ring buffer descriptor
Crotenc	Rotary encoder click counts and state tracking
Csleep_fibre_t
Cstats
Cstopwatch_fibre_t
Cupdate_event_t
Cyield_fibre_t