/*  * 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> static char *nsgetwd(char*, int); char*getwd(char *buf, int nbuf){	int n, fd; 	fd = open(".", OREAD);	if(fd < 0)		return nil;	n = fd2path(fd, buf, nbuf);	close(fd);	if(n < 0)		return nil;	return buf;}