dbget(retrieval_index.i2.r, work_area.i1a.r, data_buffer.i1a.r,
	      error.i2.r [,max_length.i2.r] [,ret_length.i2.r])

 	This routine will retrieve unprocessed data, scaling information (PDB),
	or a Subsystem's Device Number returned to the work area specified 
 	by a call to dbproc.

	retrieval_index	retrieval index (returned from call to dbreq,
			dbrpdb, or dbareq)
	work_area  	database work area array initialized by DBWAIN call
			in DBPROC to retrieve information from the database
	data_buffer	user buffer to receive returned data.  Must be
			allocated with sufficient storage to receive the
			requested (or default) number of bytes.
	error		standard ACNET error/success return
	[max_length]	specified by the caller to control the maximum number
			of bytes that the caller is prepared to accept in the 
			data buffer.  If not specified, the default value
			is that which was supplied by the data-base operation
			for each request in the list (and stored in the work
	[ret_length]	maximum number of bytes available (in the work area)
			for the specified retrieval index

	This function requires the following include files:


	Related functions:

	dbgeti, dbwain, dbproc, dbreq, dbrpdb, dbareq, dbrdi, dbrmc, dbsize