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dlopen and dlsym take const char * parameters.
Fix prototypes, propagate const where applicable.

/*	$OpenBSD: dlfcn.h,v 1.3 1999/12/09 18:10:23 espie Exp $	*/
/*	$NetBSD: dlfcn.h,v 1.2 1995/06/05 19:38:00 pk Exp $	*/

/*
 * Copyright (c) 1995 Paul Kranenburg
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Paul Kranenburg.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software withough specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DLFCN_H_
#define _DLFCN_H_

#include <sys/cdefs.h>

/*
 * User interface to the run-time linker.
 */
__BEGIN_DECLS
extern void	*dlopen __P((const char *, int));
extern int	dlclose __P((void *));
extern void	*dlsym __P((void *, const char *));
extern int	dlctl __P((void *, int, void *));
extern char	*dlerror __P((void));
__END_DECLS

/* Values for dlopen `mode'. */
#define DL_LAZY		1
#define RTLD_LAZY	DL_LAZY		/* SunOS Compat */

/*
 * dlctl() commands
 */
#define DL_GETERRNO	1
#define DL_SETSRCHPATH	x
#define DL_GETLIST	x
#define DL_GETREFCNT	x
#define DL_GETLOADADDR	x

#endif /* _DLFCN_H_ */