/* --------------------------------------------------------------------- */
/*                 BEGIN COPYRIGHT AND LICENSE NOTICE                    */
/* --------------------------------------------------------------------- */
/*
** Copyright (c) 2008, 2009 by Richard Harter.
**
** Permission is hereby granted, free of charge, to any person
** obtaining a copy of this software and associated documentation
** files (the "Software"), to deal in the Software without
** restriction, including without limitation the rights to use,
** copy, modify, merge, publish, distribute, sublicense, and/or
** sell copies of the Software, and to permit persons to whom the
** Software is furnished to do so, subject to the following
** conditions:
**
** The above copyright notice and this permission notice shall be
** included in copies of this software and in copies of substantial
** portions, whether or not the software has been modified.
**
** Derivative works shall include a notice that the software is a
** modified version of the copyrighted software.
**
** There is no guarantee that this software is useful for anything
** or that it is any way correct or of value.  The author disclaims
** any responsibility for the consequences of using this software.
**
*/
/* --------------------------------------------------------------------- */
/*                 END COPYRIGHT AND LICENSE NOTICE                      */
/* --------------------------------------------------------------------- */

#ifndef HAVE_LISTPKG_H
#define HAVE_LISTPKG_H

typedef struct listhdr_s  listhdr_s;
typedef struct listnode_s listnode_s;


struct listnode_s {
    listnode_s * link;
    void     * data;
};

struct listhdr_s {
    listnode_s * first;
    listnode_s * last;
};

/* ---------------- prototypes --------------------- */


listhdr_s    merge_two_lists        (listhdr_s * list1, listhdr_s * list2);
listhdr_s    prepend_to_list        (listhdr_s   list , void    * data);
void       append_to_list         (listhdr_s * list , void    * data);
void     * pop_from_list          (listhdr_s * );
listhdr_s    split_list_before_node (listhdr_s * list, listnode_s * dnode); 
listhdr_s    split_list_after_node  (listhdr_s * list, listnode_s * dnode); 
void       delete_list            (listhdr_s * list);
listhdr_s    transfer_list          (listhdr_s * list); 

 
#endif