From: bsl04@... (Brian)
Date: 2002-11-15T03:00:36+09:00
Subject: Re: ioctl to detect CTS

nobu.nokada@softhome.net wrote in message news:<200211120146.gAC1kJq05740@sharui.nakada.kanuma.tochigi.jp>...
> Hi,
> 
> At Sat, 9 Nov 2002 14:17:08 +0900,
> Brian wrote:
> > ....
> > ioctl(fd, TIOCMGET, &s);
> > if ((s & TIOCM_CTS) == TIOCM_CTS) {
> > ....
> > 
> > I tried to reimplement this in ruby with stuff like
> > 
> > f = File.open '/dev/modem'
> > p f.ioctl(0x5415)
> 
> f.ioctl(0x5415, s = "")
> p s.unpack("i")[0]

Doh.  I didn't see that the number of arguments to ioctl changed after
1.6.7 somewhere.  Thanks.