serial.device/CMD_RESET

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 NAME
 Reset -- reinitializes the serial port
 FUNCTION
 This command resets the serial port to its freshly initialized
 condition. It aborts all I/O requests both queued and current,
 relinquishes the current buffer, obtains a new default sized
 buffer, and sets the port's flags and parameters to their
 boot-up time default values. The functions places the reset
 parameter values in the ioRequest block.
 IO REQUEST
 io_Message mn_ReplyPort initialized
 io_Device set by OpenDevice
 io_Unit set by OpenDevice
 io_Command CMD_RESET
 RESULTS
 Error -- if the Reset succeded, then Error will be null.
 If the Reset failed, then the Error will be non-zero.

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