To have an overview what the listing database are, and how they fit into the entire database please read this document carefully.
In this papers only the used structures are explained in full details.
Structures
Listing data items are organized into listdata sets; each listdata set has its own database of keys, units, components and descriptors. Listdata sets are represented with on structure.
API_ListDataSetType
There is a container data structure, which is a union that can hold the data of any listdata type; referencing to the parent listdata set.
API_ListData
The structures below correspond to a specific entry; each of them represent one listdata type.
API_KeyType
API_UnitType
API_Obsolete_ComponentType
API_DescriptorType