/*
 * Copyright © 2004 Red Hat, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Red Hat not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  Red Hat makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Matthias Clasen, Red Hat, Inc.
 */
#ifndef LIST_H
#define LIST_H


typedef struct _List      List;       
typedef void (*Callback) (void *data, 
			  void *user_data);


struct _List 
{
  void *data;

  List *next;
};

typedef int (*ListFindFunc) (void *data, 
			     void *user_data);

void  list_foreach (List         *list, 
		    Callback      func, 
		    void         *user_data);
List *list_prepend (List         *list,
		    void         *data);
void  list_free    (List         *list);
List *list_find    (List         *list,
		    ListFindFunc  func,
		    void         *user_data);
List *list_remove  (List         *list,
		    void         *data);
int   list_length  (List         *list);

List *list_copy    (List         *list);

#endif /* LIST_H */