Here are the data structures with brief descriptions:

Cconfig_t
Crequest_t
CSPF_client_options_t
CSPF_client_request_t
CSPF_data_cidr_t
CSPF_data_str_t
CSPF_data_t
CSPF_data_var_t
CSPF_dns_cache_bucket_t
CSPF_dns_cache_config_t
CSPF_dns_rr_data_t
CSPF_dns_rr_t
CSPF_dns_server_t
CSPF_dns_test_data_t
CSPF_dns_zone_config_t
CSPF_error_t
CSPF_macro_t
CSPF_mech_t
CSPF_mechtype_t
CSPF_mod_t
CSPF_record_t
CSPF_request_t
CSPF_response_t
CSPF_server_t
Cstate_t