Here are the data structures with brief descriptions:

Cbpt_list_item_t	Structure - B+ tree - list item structure Structure used to create list of items
Cbpt_nd_t	Structure - B+ tree - node structure Structure used to keep information about node and pointer to inner or leaf node
Cbpt_t	Structure - B+ tree - main structure Structure used to keep informations about tree
Ccc_hash_table_t
Ccc_hash_table_v2_t
Ccc_item_t
Cfhf_iter_t
Cfhf_table_struct
Cfht_iter_t
Cfht_table_t
Cindex_array_t
Cnode_domain_extension_t	Structure - domain extension Structure keeps pointers in linked list to other domain nodes
Cprefix_tree_domain_t	Structure - Prefix tree - domain name structure Structure used to keep information about domain names. It is domain name structure, which contain information about domain name
Cprefix_tree_inner_node_t	Structure - Prefix tree - inner node structure Structure used to keep information about inner node of prefix tree
Cprefix_tree_t	Structure - Prefix tree main structure Structure used to keep information about prefix tree. It is main structure, witch contains all information about prexix tree
Crt_state_s	State of real-time delaying (for real-time sending)
Ctree_domain_extension_t	Structure - Domain names extension Structure used to keep lists of most searched domains, subdomains and least searched subdomains information about prexix tree