copied from http://melodymachine.com/sfark.htm
Please read the sfArkXT OSX page - most of it is also relevant to the Linux sfArkXTc utility. 

copied from http://melodymachine.com/
sfArkXT decompressor for sfArk files on MacOS X

Program and documentation copyright 1998-2003, melodymachine.com
Maybe be freely used and distributed for non-commercial applications (but please read this)
For commercial applications see below.
This document last updated 18-May-2004. 
Contact email: sfArkForMac at melodymachine.com