/*  * 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 <oventi.h>#include "session.h" intvtFdReadFully(int fd, uchar *p, int n){	int nn; 	while(n > 0) {		nn = vtFdRead(fd, p, n);		if(nn <= 0)			return 0;		n -= nn;		p += nn;	}	return 1;}