Keyboard Device, 104, 119
  adding a reset handler routine, 124
  additional information, 130
  closing, 121
  commands and functions, 120
  device interface, 121
  IORequest structures, 121
  keyboard events, 119
  opening, 121
  reading keyboard events, 128
  reading the keyboard matrix, 121
  removing a reset handler routine, 124
  signaling the end of a reset routine, 124