Here are the data structures with brief descriptions:

Cifx_apdu_error_map_t	Struct that holds APDU Error's message with respective to the INS and SW
Cifx_apdu_response_t	Data storage struct for APDU response information
Cifx_apdu_t	Data storage for APDU fields
Cifx_ble_config_field_t	Structure defines the data structure of bluetooth low energy record such as data length and actual config data field
Cifx_blob_t	Data storage for data and data length where both are required as parameters
Cifx_bt_config_field_t	Defines the data structure of Bluetooth configuration field
Cifx_local_record_handles_t	This Structure holds the list of alternate carrier record handles and a single error record, which is recognised as handover select's local records
Cifx_logger_t	Generic Logger object used to decapsulate concrete implementation from interface
Cifx_ndef_record_t	Data storage for NDEF Records
Cifx_protocol_t	Generic protocol struct for building ISO/OSI layer stack
Cifx_record_ac_t	Defines record details respective to alternative carrier record
Cifx_record_ad_data_t	Structure defines advertising and scan response data (AD) format. Each AD structure consists of an AD Length field of 1 octet, an AD Type field and an AD Data field
Cifx_record_data_ref_t	Structure holds byte array of data and its length
Cifx_record_eir_data_t	Structure for extended inquiry response (EIR) data object. Each EIR structure consists of an EIR Length field of 1 octet, an EIR Type field and an EIR Data field
Cifx_record_error_t	Structure defines error record details such as error reason and data
Cifx_record_generic_t	Structure defines generic record details such as payload data and its length
Cifx_record_handle_t	Defines the handle for specific record type
Cifx_record_init_t	This Structure holds record's type information and function pointer which retrieves record handle based on type
Cifx_timer_t	Generic struct for joinable timers
Cifx_tlv_t	Data storage for TLV(tag, length & value) fields TLV value field can be NULL
Cnbt_applet_version_t	Structure for the applet version
Cnbt_available_memory_t	Structure for the available memory
Cnbt_cmd_t	Generic NBT command set structure for building and performing NBT commands
Cnbt_file_access_policy_t	Store the file access condition for both NFC and I2C (read/write operation) interface with FileID