1 /* $Id: tree.h,v 1.12 2001/07/13 19:09:56 sandro Exp $ */ 2 3 /* 4 * Copyright (c) 1995-2001 Sandro Sigala. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef TREE_H 28 #define TREE_H 29 30 struct object_s { 31 int type; 32 char *value; 33 struct object_s *next; 34 struct object_s *assoc; 35 }; 36 37 extern struct object_s *new_object(int type, char *value); 38 extern struct object_s *last_object(struct object_s *p); 39 extern int count_objects(struct object_s *p); 40 extern struct object_s *link_object(struct object_s *dest, struct object_s *next); 41 extern struct object_s *assoc_object(struct object_s *dest, struct object_s *assoc); 42 extern void free_object(struct object_s *p); 43 extern void free_object_list(struct object_s *p); 44 45 #endif /* !TREE_H */ 46