>Is there a CPID value (such as zero or minus one) that never occurs in >real life that I could use as an initialization value so that the code >"knew" not to issue a CPOOL DELETE?
While what Jim wrote is of course correct, I'd suggest that you use 0 and submit a request to ask to update the doc to indicate that the returned CPID will not be 0 on a successful CPOOL BUILD. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN