int ok = RewindDir(APTR handle);
HWEXT_DIRADAPTER_REWIND
extension bit has been set. See Extension plugins for details. In that case,
Hollywood will call RewindDir()
to rewind a directory scanning operation, i.e. after
a call to RewindDir()
the next call to NextDirEntry() must
return the first entry in the directory again because the directory has been rewound.
True
to indicate success, False
on failure