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  getlevelindex                                                         WNDWC
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  Function       Returns the wndwstat index given the windowname.
  Syntax         int getlevelindex( int windowname );
  Remarks        This routine scans for the first matching windowname.  It
                 scans from the top level index (li) first and then down.
                 Hidden windows from the hidden level index (hli) up are
                 scanned last.  If no match is found, the result is
                 >MAXWINDOW.
  Return value   None.