/* Et-forest data structure implementation.
- Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
/* This package implements ET forest data structure. Each tree in
the structure maintains a tree structure and offers logarithmic time
#ifndef _ET_TREE_H
#define _ET_TREE_H
-#include <ansidecl.h>
-#include <stddef.h>
-
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct et_node *et_new_tree (void *data);
void et_free_tree (struct et_node *);
void et_free_tree_force (struct et_node *);
+void et_free_pools (void);
void et_set_father (struct et_node *, struct et_node *);
void et_split (struct et_node *);
struct et_node *et_nca (struct et_node *, struct et_node *);
bool et_below (struct et_node *, struct et_node *);
+struct et_node *et_root (struct et_node *);
#ifdef __cplusplus
}