/* This is a program that reverses the lines of 
   stdin using a doubly-linked list */

#include <stdio.h>
#include "dlist.h"

main()
{
  char s[1000];
  char *news;
  Dlist d;
  Dlist tmp; 

  d = make_dl();

  while (gets(s) != NULL) {
    news = (char *) malloc(strlen(s)+1);
    strcpy(news, s);
    dl_insert_b(d, news);
  }

  for (tmp = dl_last(d); tmp != dl_nil(d); tmp = dl_prev(tmp)) {
    printf("%s\n", tmp->val);
  }
}