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      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 typedef struct dt_list {
     37 	struct dt_list *dl_prev;
     38 	struct dt_list *dl_next;
     39 } dt_list_t;
     40 
     41 #define	dt_list_prev(elem)	((void *)(((dt_list_t *)(elem))->dl_prev))
     42 #define	dt_list_next(elem)	((void *)(((dt_list_t *)(elem))->dl_next))
     43 
     44 extern void dt_list_append(dt_list_t *, void *);
     45 extern void dt_list_prepend(dt_list_t *, void *);
     46 extern void dt_list_insert(dt_list_t *, void *, void *);
     47 extern void dt_list_delete(dt_list_t *, void *);
     48 
     49 #ifdef	__cplusplus
     50 }
     51 #endif
     52 
     53 #endif	/* _DT_LIST_H */
     54