grpc_function_handle_perror_np - Displays an error.
  grpc_error_t grpc_function_handle_perror_np(grpc_function_handle_t *handle,
                                   char *str)
  grpc_function_handle_t *handle  char *strThe grpc_function_handle_perror_np() function displays the function handle error in standard output.
This function is MT-safe.
If successful, GRPC_NO_ERROR is returned. In the case of an error, Error code is returned.
  GRPC_NOT_INITIALIZED  GRPC_INVALID_FUNCTION_HANDLE  GRPC_OTHER_ERROR_CODE