Here are the data structures with brief descriptions:

Carg_data
Cchained_obj_getters
Cchained_type
Cchained_type_getters
Ccheck_tc_data
Ccopy_node
Cdelete_node
Cget_comp_type_data
Cget_type_info
Cgettypeinfo
Cinsert_node
Cop_entry
CRDB_attr
CRDB_attr_update
CRDB_ixlink
CRDB_ma_copy
CRDB_ma_delete
CRDB_ma_insert
CRDB_ma_update
CRDB_ma_vdelete
CRDB_parameter
CRDB_possrep
CRDB_renaming
CRDB_rmlink
CRDB_seq_item
CRDB_summval
CRDB_type
CRDB_virtual_attr
CRDB_wrapping
Cupdate_node
Cvdelete_node