/* $VER: ar lists.h V0.1 (31.01.98)
 *
 * This file is part of ar, a portable archive maintanance
 * utility for normal and BSD-style archives.
 * Copyright (c) 1999  Frank Wille
 *
 * ar is freeware and part of the portable and retargetable ANSI C
 * compiler vbcc, copyright (c) 1995-99 by Volker Barthelmann.
 * ar may be freely redistributed as long as no modifications are
 * made and nothing is charged for it. Non-commercial usage is allowed
 * without any restrictions.
 * EVERY PRODUCT OR PROGRAM DERIVED DIRECTLY FROM MY SOURCE MAY NOT BE
 * SOLD COMMERCIALLY WITHOUT PERMISSION FROM THE AUTHOR.
 *
 *
 * v0.1  (31.01.99) phx
 *       First working version, which only supports 'q' (quick append)
 *       and 't' (table of contents), reads and writes normals and
 *       BSD-style archives. Symbol table will not be created!
 * v0.0  (29.01.99) phx
 *       File created.
 */

#ifndef LISTS_H
#define LISTS_H


struct node {
  struct node *next;
  struct node *pred;
};


struct list {
  struct node *first;
  struct node *dummy;
  struct node *last;
};


/* functions */
extern void initlist(struct list *);
extern void insertbefore(struct node *,struct node *);
extern void insertbehind(struct node *,struct node *);
extern void addhead(struct list *,struct node *);
extern void addtail(struct list *,struct node *);

#endif