Here are the classes, structs, unions and interfaces with brief descriptions:

MFClient	Central class for managing sessions with MarketFactory. Create sessions using this class. They will be automatically registered with this MFClient
MFMarketDataHandler	Applications implement this interface in order to process marketdata messages from a MFMarketDataSession
MFMarketDataSession	A session used to interact with a single venue for market data.
MFProtoMsgWrapper	A wrapper to encapsulate an SBE class instance and the buffer where the message payload is actually stored. Instances of this are returned by calls to the create... methods of MFTradingSession and MFProtoOutputBufferProvider
MFProtoOutputBufferProvider	Reusable thread-specific message structures
MFStpBookingHandler	Applications implement this interface in order to process events from a MFStpBookingSession
MFStpBookingSession	A session with MarketFactory for trading with all the venues for which a user has access.
MFTradeDateRollOverHandler	Applications implement this interface in order to process events from a MFTradeRollOverDateSession
MFTradeDateRollOverSession	A session with MarketFactory for trading with all the venues for which a user has access.
MFTradingHandler	Applications implement this interface in order to process events from a MFTradingSession
MFTradingSession	A session with MarketFactory for trading with all the venues for which a user has access.
PriceSize
SessionState