Returns a readable string representation given guest OS ID.
PRL_RESULT PrlApi_GuestToString( PRL_UINT32 nGuestId, PRL_STR sGuestString, PRL_UINT32_PTR pnGuestStringSize );
PrlApiCore.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - null pointer to the string size was passed.
PRL_ERR_SUCCESS - function completed successfully.