Here are the data structures with brief descriptions:

Ccommon_hash_ctx
Cconn_interface
Cdnsname_t
Chash_alg
CHash_DRBG_CTX
Chash_iterator_t	Hash key iterator functions
Chash_t
Chashentry_t
CMD5Context
Cmessage_header
Cparser_t
Cresolver_srv_rr_t
Cscram_user_data
CSHA1_CTX
Csha256_context
Csha512_context
Ctls_t
Cxmpp_compression
Cxmpp_conn_t
Cxmpp_connlist_t
Cxmpp_ctx_t
Cxmpp_handlist_t	Handlers
Cxmpp_log_t
Cxmpp_mem_t
Cxmpp_queue_t
Cxmpp_rand_t
Cxmpp_send_queue_t
Cxmpp_sha1_t
Cxmpp_sm_state_t
Cxmpp_sock_t
Cxmpp_stanza_t
Cxmpp_stream_error_t
Cxmpp_tlscert_t
Czlib_compression