StoreItemInContext(iff, localItem, contextNode);
VOID StoreItemInContext(
struct IFFHandle *,
struct LocalContextItem *,
Adds the LocalContextItem to the list of items for the given context node. If an LCI with the same Type, ID, and Ident is already present in the ContextNode, it will be purged and replaced with the new one. This is a raw form of
StoreLocalItem().