1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_DT_LIST_H
28 #define	_DT_LIST_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 typedef struct dt_list {
35 	struct dt_list *dl_prev;
36 	struct dt_list *dl_next;
37 } dt_list_t;
38 
39 #define	dt_list_prev(elem)	((void *)(((dt_list_t *)(elem))->dl_prev))
40 #define	dt_list_next(elem)	((void *)(((dt_list_t *)(elem))->dl_next))
41 
42 extern void dt_list_append(dt_list_t *, void *);
43 extern void dt_list_prepend(dt_list_t *, void *);
44 extern void dt_list_insert(dt_list_t *, void *, void *);
45 extern void dt_list_delete(dt_list_t *, void *);
46 
47 #ifdef	__cplusplus
48 }
49 #endif
50 
51 #endif	/* _DT_LIST_H */
52