/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h> Rune*runestrecpy(Rune *s1, Rune *es1, Rune *s2){	if(s1 >= es1)		return s1; 	while(*s1++ = *s2++){		if(s1 == es1){			*--s1 = '\0';			break;		}	}	return s1;}