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

Cage
Ccomplex_data
Cemployee
Cfixed_string
Cfoo
Cgdb_marker
Chr_system
CINDEX
Citem_t	A queue comprised of an extendable circular buffer
CIV_PAIR
CIV_PAIR_CONST
CKEY_ENTRY
Ckey_t	A simple open-addressed hashmap using robin-hood hashing
CKV_PAIR
CKV_PAIR_CONST
Cmember_pointer_class
Cmember_pointer_class< M C::* >
Cname
Cnullalloc	An allocator for the standard allocator, which only has global state,
Creport
Creport_id
CSELF	An allocator that prints to stdout when it allocates or frees memory
CSLOT
Cstdalloc	An allocator for the standard allocator, which only has global state,
CTRACKED_ENTRY
CTrampoline
Cvalue_t