/usr/include/directfb/direct/tree.h is in libdirectfb-dev 1.2.10.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(c) Copyright 2001-2008 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
Balanced binary tree ported from glib by Sven Neumann
<sven@convergence.de>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __DIRECT__TREE_H__
#define __DIRECT__TREE_H__
#include <direct/types.h>
typedef struct __D_DirectNode DirectNode;
struct __D_DirectTree
{
DirectNode *root;
void *fast_keys[128];
};
struct __D_DirectNode
{
int balance;
DirectNode *left;
DirectNode *right;
void *key;
void *value;
};
DirectTree *direct_tree_new ( void );
void direct_tree_destroy( DirectTree *tree );
void direct_tree_insert ( DirectTree *tree,
void *key,
void *value );
void *direct_tree_lookup ( DirectTree *tree,
void *key );
#endif
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