From: nobu.nokada@...
Date: 2003-12-21T15:57:05+09:00
Subject: Re: Trouble using IO::ioctl

Hi,

At Sun, 21 Dec 2003 14:26:54 +0900,
Phil Callihan wrote:
> SOUND_MIXER_READ_DEVMASK = 0x80044dfe
> mixer = File.open("/dev/mixer", "w+")
  devmask = [0].pack("i")
  mixer.ioctl(SOUND_MIXER_READ_DEVMASK, devmask)
  devmask = devmask.unpack("i")[0]
  printf "devmask[%08x]\n", devmask

-- 
Nobu Nakada