text: #include <stdlib.h>
  #include <string.h>
  #include <stdio.h>
  #include "lists.h"
  
  /**
   * main - check the code for Holberton School students.
   *
   * Return: Always EXIT_SUCCESS.
   */
  int main(void)
  {
      dlistint_t *head;
      dlistint_t *new;
      dlistint_t hello = {8, NULL, NULL};
      size_t n;
  
      head = &hello;
      new = malloc(sizeof(dlistint_t));
      if (new == NULL)
      {
          dprintf(2, "Error: Can't malloc\n");
          return (EXIT_FAILURE);
      }
      new->n = 9;
      head->prev = new;
      new->next = head;
      new->prev = NULL;
      head = new;
      n = print_dlistint(head);
      printf("-> %lu elements\n", n);
      free(new);
      return (EXIT_SUCCESS);
  }
  