Binary package “atfs-dev” in ubuntu oneiric

The Attributed File System (AtFS development libraries)

 AtFS is a storage system supporting multiple versions of files and
 associating an arbitrary number of application defined attributes
 of the form "name=value" with each version. It is part of ShapeTools, a
 software configuration management system.
 .
 This package contains the development files needed to compile and link
 programs with AtFS.