MULTIPLEDSCBS: Specify whether multiple DSCBs should be processed

MULTIPLEDSCBS=NO: This specification indicates that the calling program requests that only one DSCB should be processed. This is the default for MF=L and MF=I forms of the CVAFDIR macro. When the MULTIPLEDSCBS keyword is not specified on the MF=E form, the existing setting of CV4MULTD is left unchanged. When MULTIPLEDSCBS=NO is specified or defaulted, only the first available buffer list entry is processed.
MULTIPLEDSCBS=YES: This specification indicates that the calling program requests to read/write multiple DSCBs to/from a buffer list that contains more than one buffer list entry. This parameter causes an indicator in the CVPL, CV4MULTD, to be set on. Multiple DSCB processing for reads and writes is requested by specifying the MULTIPLEDSCBS=YES keyword and providing a buffer list that contains more than one buffer list entry (BFLHNOE>1).