takes an existing disk_entry in the central root directory
  (e.g. from zzip_disk_findfirst) and returns the next entry within in
  the given bounds of the mmapped file area.
</p>
</td></tr><tr><td valign="top"><p>
  The <code>zzip_disk_findmatch</code> function uses a compare-function with an additional argument
  and it is called just like fnmatch(3) from POSIX.2 AD:1993), i.e.
  the argument filespec first and the ziplocal filename second with
  the integer-flags put in as third to the indirect call. If 