ypes.
     This slowed the program down slightly but made it a lot more flexible.

     This program, based on the System V version, was written by Ian Darwin
     &lt;<a href="mailto:ian@darwinsys.com">ian@darwinsys.com</a>&gt; without looking at anybody else's source code.

     John Gilmore revised the code extensively, making it better than the
     first version.  Geoff Collyer found several inadequacies and provided
     some magic file entries.  Contributions by the `&amp;' operator by Rob McMa‐
  