Here are the data structures with brief descriptions:

CGetRandom_t
CNK_config	The general configuration of a Nitrokey device
CNK_device_info	The connection info for a Nitrokey device as a linked list
CNK_SD_usage_data	Data about the usage of the SD card
CNK_status	Stores the common device status for all Nitrokey devices
CNK_storage_ProductionTest
CNK_storage_status	Stores the status of a Storage device
CReadSlot_t