readItem
const IccBuf& readItem()
Returns a reference to an IccBuf object that contains one item read from the data queue.
Conditions
IOERR, ISCINVREQ, LENGERR, NOTAUTH, NOTOPEN, QBUSY, QIDERR, QZERO, SYSIDERR, DISABLED, INVREQ
Returns a reference to an IccBuf object that contains one item read from the data queue.
IOERR, ISCINVREQ, LENGERR, NOTAUTH, NOTOPEN, QBUSY, QIDERR, QZERO, SYSIDERR, DISABLED, INVREQ