Scott, If you write the assembly-language subroutine, make it s generic, reentrant RECFM-get routine that will be reusable and put the logic for distinguishing FB and VB (and rejecting other possible values) in its caller.
John Gilmore, Ashland, MA 01721 - USA ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN