/*  * 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 -- sopenw */#include "iolib.h"FILE *sopenw(void){	FILE *f;	qlock(&_stdiolk);	for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) if(f->state==CLOSED) break;	if(f==&_IO_stream[FOPEN_MAX]) {		qunlock(&_stdiolk);		return NULL;	}	f->buf=f->rp=f->wp=0;	f->state=OPEN;	f->flags=STRING;	f->fd=-1;	qunlock(&_stdiolk);	return f;}