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 * $Id: util.h,v 1.1 1998/05/17 15:27:45 elkner Exp $
 * Author:  Harvest/Squid derived       http://squid.nlanr.net/Squid/
 * Project: Jesred       http://ivs.cs.uni-magdeburg.de/~elkner/webtools/jesred/
 * 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 distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * http://www.gnu.org/copyleft/gpl.html or ./gpl.html
 * 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.

 * Copyright (c) 1994, 1995.  All rights reserved.
 *   The Harvest software was developed by the Internet Research Task
 *   Force Research Group on Resource Discovery (IRTF-RD):
 *         Mic Bowman of Transarc Corporation.
 *         Peter Danzig of the University of Southern California.
 *         Darren R. Hardy of the University of Colorado at Boulder.
 *         Udi Manber of the University of Arizona.
 *         Michael F. Schwartz of the University of Colorado at Boulder.
 *         Duane Wessels of the University of Colorado at Boulder.
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#ifndef UTIL_H
#define UTIL_H

#define safe_free(x)    if (x) { free(x); x = NULL; }

extern void HUPhandler(int);
extern void KILLhandler(int);
extern void *xcalloc(size_t, size_t);
extern char *savestr(const char *);
extern void delstr(char *);


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