/*	@(#)strcat.c	2.1 	*/
/*	3.0 SID #	1.2	*/
/*LINTLIBRARY*/
/*
 * Concatenate s2 on the end of s1.  S1's space must be large enough.
 * Return s1.
 */

char *
strcat(s1, s2)
register char *s1, *s2;
{
	register char *os1;

	os1 = s1;
	while(*s1++)
		;
	--s1;
	while(*s1++ = *s2++)
		;
	return(os1);
}
