1.1.1 `phc.start'
-----------------

phc.start()
     ::  Start  `ox_sm1_phc' on the localhost.

RETURN
     Integer

   * Start `ox_sm1_phc' on the localhost.      It returns the
     descriptor of `ox_sm1_phc'.

   * Set `Xm_noX = 1' to start `ox_sm1_phc' without a debug window.

   * The descriptor is stored in `Phc_proc'.

     P = phc.start()

Reference
     `ox_launch', `phc'

