Here are the data structures with brief descriptions:

active_instance
assembly
cfg_info
cfg_inst
cluster_node
cmap_conn_info
cmap_inst
cmap_notify_value
cmap_track_inst
cmap_track_user_data
consensus_list_item
coroipcs_zc_header
corosync_api_v1
corosync_cfg_callbacks_t
corosync_cfg_node_address_t	A node address
corosync_exec_handler
corosync_lib_handler
corosync_service_engine
corosync_service_engine_iface_ver0
corosync_tpg_group
corosync_vsf_iface_ver0
cpg_address
cpg_callbacks_t
cpg_inst
cpg_iteration_description_t
cpg_iteration_instance
cpg_iteration_instance_t
cpg_model_data_t
cpg_model_v1_data_t
cpg_name
cpg_pd
cpg_ring_id
crypto_config_header
crypto_instance
cs_fsm
cs_fsm_entry
cs_ipcs_conn_context
cs_ipcs_mapper
cs_name_t
cs_queue
cs_version_t
default_service
deliver_fn_context
downlist_msg
dynamic_service	All service handlers
icmap_item
icmap_map
icmap_notify_value
icmap_ro_access_item
icmap_track
internal_callback_pd
join_list_entry
joinlist_msg
key_value_list_item
list_head
logsys_logger
main_cp_cb_data
mar_cpg_address_t
mar_cpg_iteration_description_t
mar_cpg_name_t
mar_cpg_ring_id_t
mar_message_source_t
mar_name_t
mar_req_coroipcc_zc_alloc_t
mar_req_coroipcc_zc_execute_t
mar_req_coroipcc_zc_free_t
mcast
memb_commit_token
memb_commit_token_memb_entry
memb_join
memb_merge_detect
memb_ring_id
message_handlers
message_header
message_item
orf_token
outq_item
passive_instance
process_info
processor_entry
quorum_callbacks_t
quorum_callin_functions
quorum_inst
quorum_pd
recv_buf
req_exec_barrier_message
req_exec_cfg_killnode
req_exec_cfg_reload_config
req_exec_cfg_ringreenable
req_exec_cfg_shutdown
req_exec_cmap_mcast
req_exec_cmap_mcast_item
req_exec_cpg_downlist
req_exec_cpg_downlist_old
req_exec_cpg_mcast
req_exec_cpg_procjoin
req_exec_memb_determine_message
req_exec_pload_mcast
req_exec_pload_start
req_exec_quorum_nodeinfo
req_exec_quorum_qdevice_reconfigure
req_exec_quorum_qdevice_reg
req_exec_quorum_reconfigure
req_exec_service_build_message
req_lib_cfg_get_node_addrs
req_lib_cfg_killnode
req_lib_cfg_local_get
req_lib_cfg_reload_config
req_lib_cfg_replytoshutdown
req_lib_cfg_ringreenable
req_lib_cfg_ringstatusget
req_lib_cfg_tryshutdown
req_lib_cmap_adjust_int
req_lib_cmap_delete
req_lib_cmap_get
req_lib_cmap_iter_finalize
req_lib_cmap_iter_init
req_lib_cmap_iter_next
req_lib_cmap_set
req_lib_cmap_track_add
req_lib_cmap_track_delete
req_lib_cpg_finalize
req_lib_cpg_iterationfinalize
req_lib_cpg_iterationinitialize
req_lib_cpg_iterationnext
req_lib_cpg_join
req_lib_cpg_leave
req_lib_cpg_local_get
req_lib_cpg_mcast
req_lib_cpg_membership_get
req_lib_quorum_trackstart
req_lib_votequorum_general
req_lib_votequorum_getinfo
req_lib_votequorum_qdevice_master_wins
req_lib_votequorum_qdevice_poll
req_lib_votequorum_qdevice_register
req_lib_votequorum_qdevice_unregister
req_lib_votequorum_qdevice_update
req_lib_votequorum_setexpected
req_lib_votequorum_setvotes
req_lib_votequorum_trackstart
res_lib_cfg_get_node_addrs
res_lib_cfg_killnode
res_lib_cfg_local_get
res_lib_cfg_reload_config
res_lib_cfg_replytoshutdown
res_lib_cfg_ringreenable
res_lib_cfg_ringstatusget
res_lib_cfg_testshutdown
res_lib_cfg_tryshutdown
res_lib_cmap_adjust_int
res_lib_cmap_delete
res_lib_cmap_get
res_lib_cmap_iter_finalize
res_lib_cmap_iter_init
res_lib_cmap_iter_next
res_lib_cmap_notify_callback
res_lib_cmap_set
res_lib_cmap_track_add
res_lib_cmap_track_delete
res_lib_cpg_confchg_callback
res_lib_cpg_deliver_callback	Message from another node
res_lib_cpg_finalize
res_lib_cpg_flowcontrol_callback
res_lib_cpg_iterationfinalize
res_lib_cpg_iterationinitialize
res_lib_cpg_iterationnext
res_lib_cpg_join
res_lib_cpg_leave
res_lib_cpg_local_get
res_lib_cpg_mcast
res_lib_cpg_membership_get
res_lib_cpg_totem_confchg_callback
res_lib_quorum_getquorate
res_lib_quorum_gettype
res_lib_quorum_notification
res_lib_votequorum_expectedvotes_notification
res_lib_votequorum_getinfo
res_lib_votequorum_notification
res_lib_votequorum_status
resource
resource_instance
rrp_algo
rtr_item
scheduler_pause_timeout_data
schedwrk_instance
send_buf
sending_allowed_private_data_struct
service_entry
service_names
service_unlink_and_exit_data
seus_handler_data
sort_queue_item
sq
srp_addr
state_received
sync_callbacks
syslog_names
token_callback_instance
token_hold_cancel
totem_config
totem_interface
totem_ip_address
totem_ip_if_address
totem_logging_configuration
totem_stats_header_t
totemiba_instance
totemmrp_stats_t
totemnet_instance
totemnet_stats_t
totempg_group
totempg_group_instance
totempg_mcast
totempg_mcast_header
totempg_stats_t
totemrrp_instance
totemrrp_stats_t
totemsrp_instance
totemsrp_socket
totemsrp_stats_t
totemsrp_token_stats_t
totemudp_instance
totemudp_socket
totemudpu_instance
totemudpu_member
transport
u
votequorum_callbacks_t
votequorum_info
votequorum_inst
votequorum_node
votequorum_node_t
work_item
ykd_header
ykd_session
ykd_state
zcb_mapped