The end of that DFSMS section on "Variable-Length Record Formats" does cover the VBS differences and bit settings and capabilities.
But again, I'm not aware of any existing mapping macro from IBM. I did also mean to say to Dave that I have always seen these prefix fields referred to as Record or Block *Descriptor* Words, not *Control* Words., but either or both could be considered appropriate. Peter -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Binyamin Dissen Sent: Sunday, June 23, 2019 10:46 AM To: [email protected] Subject: Re: Mapping macro for RCWs? Also look up spanned records (VBS) On Sun, 23 Jun 2019 14:14:39 +0000 "Farley, Peter x23353" <[email protected]> wrote: :>The only detailed description I've ever seen for BDW/RDW fields is in the "DFSMS Using Data Sets" manual, chapter 20, "Variable-Length Record Formats", pp 306-311. :> :>If there is a mapping macro I've never seen it. :> :>Peter :> :>-----Original Message----- :>From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Dave Cole :>Sent: Sunday, June 23, 2019 5:26 AM :>To: [email protected] :>Subject: Mapping macro for RCWs? :> :>It there a formal IBM mapping macro for RECFM=V type "Record Control Words"? -- This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
