* --- Prototype for API Retrive User Space * D QUSRTVUS pr extpgm( 'QUSRTVUS' ) D QRtvUserSpace... D 20 D QRtvStartingPosition... D 8B 0 D QRtvLengthOfData... D 8B 0 D QRtvReceiverVariable... D 32048 D QRtvError... D 256