Here are the data structures with brief descriptions:

[detail level 12]

Nlo
CAddress	Class representing an OSC destination address, proxy for lo_address
CBlob	Class representing an OSC blob, proxy for lo_blob
CBundle	Class representing an OSC bundle, proxy for lo_bundle
CMessage	Class representing an OSC message, proxy for lo_message
CMethod	Class representing an OSC method, proxy for lo_method
CPathMsg	Class representing an OSC path (std::string) and lo::Message pair
CServer	Class representing a local OSC server, proxy for lo_server
CServerThread	Class representing a server thread, proxy for lo_server_thread
Clo_arg	Union used to read values from incoming messages
Clo_server_config	A configuration struct for initializing lo_server using lo_server_new_from_config()
Clo_timetag	A structure to store OSC TimeTag values