how to use cdrecord or wodim to tell avialable space on multi-session CD-R?

[khufu@139.com]

Hello. Is there a way to tell how much availble space are there on CD-R 
by using cdrecord or wodim? I used to do it on cdrdao but I was forced 
to use Windows because our office, I have cygwin there and I realized I 
could not do cdrdao (no package). I know it might be off topc to ask 
here when using cygwin, but seems all these big figures are on this list
 like those who wrote these tools, there probably isn't a better place 
to ask.

Thanks!