_AddFieldData
status_t _AddFieldData(KMessageField* field,
return fMessage->_AddFieldData(this, data, size, 1);
return fMessage->_AddFieldData(this, data, elementSize, count);
return _AddFieldData(&field, data, numBytes, 1);
return _AddFieldData(&field, data, elementSize, elementCount);
return _AddFieldData(&field, data, numBytes, 1);