In some mail I received from Brian C. Grayson, sie wrote
[...]
>   Has anyone thought about adding a new library, like
> libkvmstats, that would contain a nice sysctl()/swapctl()-like
> interface to kernel statistics?  Then our code to some of the
> various system utilities, and other third-party programs like
> top and xosview, wouldn't contain as much direct kernel-munging
> that has to be changed when the kernel internals change (like the
> swap stuff, which required changes to all sorts of utilities).  

Perhaps a pstat(2) or pstat(3) equivalent ?

Darren