/*  * 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> intgetpid(void){	char b[20];	int f; 	memset(b, 0, sizeof(b));	f = open("#c/pid", 0);	if(f >= 0) {		read(f, b, sizeof(b));		close(f);	}	return atol(b);}