Parallel Device, 159
  additional information, 168
  break conditions, 163
  closing, 162
  commands and functions, 160
  device interface, 161
  EOF mode, 163
  error codes, 167
  flags, 166
  io_PTermArray, 163, 165
  null-terminated write, 162
  opening, 161
  parameters, 165
  querying the device, 166
  reading, 162
  setting parameters, 165
  status bits, 166
  terminating a read or write, 163
  writing, 162