[MacPerl] MacPerl MacOS version?

[njgunther]

I'm currently running MacPerl 5.6.1r1 on MacOS 9.2.1.

I would like to obtain the MacOS version from within 
a MacPerl script using the appropriate Mac::API. Can
anyone tell me which one to use? (Didn't see it in
the MacPerl book).

Thanks,
--njg