nsresult res = NS_OK;;
if (aCharset == NULL) return NS_ERROR_NULL_POINTER; if (aResult == NULL) return NS_ERROR_NULL_POINTER; *aResult = NULL;  nsresult res = NS_OK;
NS_IMETHODIMP nsCharsetConverterManager::GetCharsetData(nsString * aCharset,                                                         nsString * aProp,                                                         nsString ** aResult){  nsresult res = NS_OK;;  if (mDataBundle == NULL) {    res = LoadExtensibleBundle(DATA_BUNDLE_REGISTRY_KEY, &mDataBundle);    if (NS_FAILED(res)) return res;  }  res = GetBundleValue(mDataBundle, aCharset, aProp, aResult);  return res;}