func doWrite
  fvar(fid)
  fid = FileID 
  println('fwrite(', fid, ', ', Text, ');')
  event(onWrite, fid)
end

func doWriteString
  fvar(fid)
  fid = FileID 
  println('fputs(', fid, ', ', Text & "\\r\\n", ');')
  event(onWrite, fid)
end