/*  * 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> voidmain(void){	char buf[512], *p; 	p = "???";	if(getwd(buf, sizeof buf)){		p = strrchr(buf, '/');		if(p == nil)			p = buf;		else if(p>buf || p[1]!='\0')			p++;	}	write(1, p, strlen(p));	exits(0);}