NAME
	BeginIO -- initiate asynchronous device I/O

   SYNOPSIS
	BeginIO(ioReq)

	VOID BeginIO(struct IORequest *);

   FUNCTION
	This function takes an IORequest, and passes it directly to the
	"BeginIO" vector of the proper device.  This is equivalent to
	SendIO(), except that io_Flags is not cleared. A good understanding
	of Exec device I/O is required to properly use this function.

	This function does not wait for the I/O to complete.

   INPUTS
	ioReq - an initialized and opened IORequest structure with the
	        io_Flags field set to a reasonable value (set to 0 if you do
		not require io_Flags).

   SEE ALSO
	exec.library/DoIO(), exec.library/SendIO(), exec.library/WaitIO()

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