/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              Information and Software Systems Research               *

*                            AT&T Research                             *

*                           Florham Park NJ                            *

*                                                                      *

*                 Glenn Fowler <gsf@research.att.com>                  *

*                  David Korn <dgk@research.att.com>                   *

*                   Phong Vo <kpv@research.att.com>                    *

*                                                                      *

***********************************************************************/

#pragma prototyped

#include <ast.h>

#if _lib_memchr

NoN(memchr)

#else

/*

 * Return the ptr in sp at which the character c appears;

 * 0 if not found in n chars; don't stop at \0.

 */

void*

memchr(const void* asp, register int c, size_t n)

{

	register const char*	sp = (char*)asp;

	register const char*	ep = sp + n;

	while (sp < ep)

		if (*sp++ == c)

			return(--sp);

	return(0);

}

#endif