EXPECT_EQ(2, TF_OperationNumInputs(add));
  EXPECT_EQ(2, TF_OperationInputListLength(add, "inputs", s));
  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
  EXPECT_EQ(TF_INT32, TF_OperationInputType(TF_Input{add, 0}));
  EXPECT_EQ(TF_INT32, TF_OperationInputType(TF_Input{add, 1}));
  TF_Output add_in_0 = TF_OperationInput(TF_Input{add, 0});
  EXPECT_EQ(feed, add_in_0.oper);
  EXPECT_EQ(0, add_in_0.index);

                                                       TF_Status* status);

TF_CAPI_EXPORT extern int TF_OperationNumInputs(TF_Operation* oper);
TF_CAPI_EXPORT extern TF_DataType TF_OperationInputType(TF_Input oper_in);
TF_CAPI_EXPORT extern int TF_OperationInputListLength(TF_Operation* oper,
                                                      const char* arg_name,

    return -1;
  }
  return iter->second.second - iter->second.first;
}

int TF_OperationNumInputs(TF_Operation* oper) {
  return oper->node.num_inputs();
}

TF_DataType TF_OperationInputType(TF_Input oper_in) {
  return static_cast<TF_DataType>(oper_in.oper->node.input_type(oper_in.index));
}

int TF_OperationInputListLength(TF_Operation* oper, const char* arg_name,