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(c) 1996-1999, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _LLT_H 28 #define _LLT_H 29 30 typedef struct ll { 31 struct ll *n; 32 } ll_t; 33 34 typedef struct llh { 35 ll_t *front; 36 ll_t **back; 37 } llh_t; 38 39 void ll_init(llh_t *head); 40 void ll_enqueue(llh_t *head, ll_t *data); 41 void ll_mapf(llh_t *head, void (*func)(void *)); 42 ll_t * ll_peek(llh_t *head); 43 ll_t * ll_dequeue(llh_t *head); 44 ll_t * ll_traverse(llh_t *ptr, int (*func)(void *, void *), void *user); 45 int ll_check(llh_t *head); 46 47 #endif /* _LLT_H */ 48