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

CAircondition_LG
Cdecode_results	Results returned from old decoders !!!deprecated!!!
CDistanceWidthTimingInfoStruct
CFeedbackLEDControlStruct	Contains pin number and enable status of the feedback LED
CIRData	Data structure for the user application, available as decodedIRData
Cirparams_struct	This struct contains the data and control used for receiver static functions and the ISR (interrupt service routine) Only StateForISR needs to be volatile
CIRrecv	Main class for receiving IR signals
CIRsend	Main class for sending IR signals
CLGProtocol
CLongLongUnion	Union to specify parts / manifestations of a 64 bit LongLong without casts and shifts
CLongUnion	Union to specify parts / manifestations of a 32 bit Long without casts and shifts
CPulseDistanceWidthProtocolConstants
CTinyIRReceiverCallbackDataStruct	Is filled before calling the user callback to transfer received data to main loop for further processing
CTinyIRReceiverStruct	Control and data variables of the state machine for TinyReceiver
CWordUnion	Union to specify parts / manifestations of a 16 bit Word without casts and shifts