Here are the data structures with brief descriptions:

ec_adaptert
ec_ALstatuscodelist_t
ec_alstatust
ec_comt
ec_configlist_t
ec_eepromFMMUt
ec_eepromPDOt
ec_eepromSMt
ec_eepromt
ec_emcyt
ec_eringt
ec_errort
ec_etherheadert
ec_fmmut
ec_FOEt
ec_groupt
ec_idxstackT
ec_mbxerrorlist_t
ec_mbxerrort
ec_mbxheadert
ec_ODlistt
ec_OElistt
ec_PDOassignt
ec_PDOdesct
ec_sdoerrorlist_t
ec_SDOservicet
ec_SDOt
ec_slavet
ec_SMcommtypet
ec_smt
ec_SoEattributet
ec_soeerrorlist_t
ec_SoElistt
ec_SoEmappingt
ec_SoEnamet
ec_SoEt
ec_state_status
ecx_contextt
in_EBOX_streamt
in_EBOXt
out_EBOX_streamt
out_EBOXt