/*  * 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. */ /* * pANS stdio -- vsnprintf */#include "iolib.h"int vsnprintf(char *buf, int nbuf, const char *fmt, va_list args){	int n;	FILE *f=sopenw();	if(f==NULL)		return 0;	setvbuf(f, buf, _IOFBF, nbuf);	n=vfprintf(f, fmt, args);	sclose(f);	return n;}