程序代码：

Name read_name(void)
{
  Name name;
  printf_s("Enter a first name: ");
  scanf_s(" %s", name.firstname, (rsize_t)FIRST_NAME_LEN);
  printf_s("Enter a second name: ");
  scanf_s(" %s", name.secondname, (rsize_t)SECOND_NAME_LEN);
  return name;
}