// The default cComm Message structure.
struct cCMData {
  int      d_idCode;
};

// Other structures begin the same as cCMDefault
// and can be safely typecast as cCMDefault.
 

// The cComm Message Queue class
class cCMQueue {
protected:
  void       *d_pData;
  int        d_size, d_transmitted;
  cCMQueue   *d_pNext, *d_pPrev;

public:
  cCMQueue();
  virtual ~cCMQueue();

  // Some Linked List access methods
  // d_size access methods
  // d_pData access methods

  // adds amnt to d_transmitted and returns the sum.
  int  AddTransmitted( int amnt );
};
 

int cComm::DetermineSizeFromType( int type ) {
  return sizeof( int );
}


int cClient::DetermineSizeFromType( int type ) {
  switch( type ) {
    case RECOGNIZED_TYPE_ID_1:  return sizeof( /* recognizedStructure1 */ );
    case RECOGNIZED_TYPE_ID_2:  return sizeof( /* recognizedStructure2 */ );
    // ...
    case RECOGNIZED_TYPE_ID_N:  return sizeof( /* recognizedStructureN */ );
    default:  // includes cComm default type
      return sizeof( int );
  }
}


int cServer::DetermineSizeFromType( int type ) {
  // this method should match EXACTLY the cClient::DetermineSizeFromType()
}