/***********************************************************************\
 *                                                                       *
 *   LIST1.C    Copyright (C) 1993 Sequiter Software Inc.             *
 *                                                                       *
 \***********************************************************************/
/* See User's Manual, page 163 */

#include "d4all.h"

#ifdef __TURBOC__
extern unsigned _stklen = 10000;
#endif

typedef struct
{
  LINK4   link;
  int     age;
}AGES;

void print_list(LIST4 *);

void main()
{

  LIST4   age_list;
  AGES    first_age,middle_age,last_age;

  memset(&age_list,0,sizeof(age_list));

  first_age.age = 3;
  middle_age.age = 5;
  last_age.age = 7;

  l4add(&age_list,&middle_age);
  l4add_before(&age_list,&middle_age,&first_age);
  l4add_after(&age_list,&middle_age,&last_age);

  print_list(&age_list);

  l4remove(&age_list,(void *) &middle_age);

  print_list(&age_list);

  l4pop(&age_list);

  print_list(&age_list);
}

void print_list(LIST4 *list)
{
  AGES    *age_ptr;

  printf("\nThere are %d links\n",list->n_link);

  age_ptr =(AGES *) l4first(list);
  while(age_ptr != NULL)
  {
    printf("%d\n",age_ptr->age);
    age_ptr = (AGES *) l4next(list,age_ptr);
  }

  age_ptr = (AGES *) list->selected;
}