/*  * 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. */ /* * cat standard input until you get a zero byte */ #include <u.h>#include <libc.h> voidmain(void){	char buf[4096];	char *p;	int n; 	while((n = read(0, buf, sizeof(buf))) > 0){		p = memchr(buf, 0, n);		if(p != nil)			n = p-buf;		if(n > 0)			write(1, buf, n);		if(p != nil)			break;	}	exits(0);}