/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

/*
 * Copyright (c) 1996, by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma	ident	"@(#)strncat.c	1.9	96/10/15 SMI"	/* SVr4.0 1.9	*/

/*LINTLIBRARY*/

#include "synonyms.h"
#include <string.h>
#include <sys/types.h>

/*
 * Concatenate s2 on the end of s1.  S1's space must be large enough.
 * At most n characters are moved.
 * Return s1.
 */
char *
strncat(char *s1, const char *s2, size_t n)
{
	char *os1 = s1;

	n++;
	while (*s1++)
		;
	--s1;
	while (*s1++ = *s2++)
		if (--n == 0) {
			s1[-1] = '\0';
			break;
		}
	return (os1);
}
