Here are the data structures with brief descriptions:

C_dc_ankerl_bucket
C_dc_ankerl_mdata
C_dc_ankerl_small_bucket
Cage
Cblock_info
Ccomplex_data
Cdc_cpu_feature
Cdc_cpu_features
Cdc_debug_fmt	Debug format helpers for debug printin data structures
Cemployee
CENTRY
CERROR
Cexample_data
Chr_system
Citem_t	A queue comprised of an extendable circular buffer
CITER
CITER_CONST
CIV_PAIR
CIV_PAIR_CONST
CKEY_ENTRY
CKV_PAIR
CKV_PAIR_CONST
Clargedata
Cmessage
Cmutation_tracker	Tracks a specific version of a value, so that this can be compared later to check modification For example, checking iterator invalidation in debug mode
Cmutation_version
Cname
COK
CSELF	An allocator that prints to stdout when it allocates or frees memory
Cslab_info
CSLOT
Cuser_id
Cuserdata
CVALUE
Cvalue_t