[XSO] ruby -e 'p "osx".reverse'

[Dalton Cummings]

Teeheehee, I believe you can use class-dump for that, silly!

http://www.codethecode.com/projects/class-dump/

class-dump will give you a complete interface for all the Objective-C 
classes is a binary.

Also check out a decompiler based on class-dump by braden:

http://code-dump.sourceforge.net/

--Dalton