/*  * 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>#include <draw.h> /* Connect us to new window, if possible */intnewwindow(char *str){	int fd;	char *wsys;	char buf[256]; 	wsys = getenv("wsys");	if(wsys == nil)		return -1;	fd = open(wsys, ORDWR);	free(wsys);	if(fd < 0)		return -1;	rfork(RFNAMEG);	if(str)		snprint(buf, sizeof buf, "new %s", str);	else		strcpy(buf, "new");	return mount(fd, -1, "/dev", MBEFORE, buf);}