It's not formatted terrifically for copying and pasting here but LONGLONG shows up in the listing as one of the suboptions of LANGLVL under Compiler Options.
LANGLVL(ANONSTRUCT,ANONUNION,ANSIFOR,ANSISINIT,NOAUTOTYPEDEDUCTION,C99VLA,C9 9__F NOC99LONGLONG,NOC99PREPROCESSOR,NOCOMPATRVALUEBINDING,NODBCS,NODECLTYPE,NODE LEGA DEPENDENTBASELOOKUP,NODOLLARINNAMES,EMPTYSTRUCT,NOEXTENDEDFRIEND,NOEXTENDEDI NTEG EXTERNTEMPLATE,ILLPTOM,IMPLICITINT,NOINLINENAMESPACE,LIBEXT,LONGLONG,NONEWEX CP,O NOOLDDIGRAPH,OLDFRIEND,NOOLDMATH,NOOLDSTR,OLDTEMPACC,NOOLDTMPLALIGN,OLDTMPLS PEC, NOTEMPSASLOCALS,NOTEXTAFTERENDIF,GNU_LABELVALUE,GNU_COMPUTEDGOTO,TRAILENUM,T YPED VARARGMACROS,NOVARIADICTEMPLATES,GNU_INCLUDE_NEXT,ZEROEXTARRAY,NOC99COMPLEX, NOC9 NOGNU_COMPLEX,GNU_SUFFIXIJ) Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of David Crayford Sent: Thursday, July 25, 2013 7:42 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Looking for help with an obscure C integer problem I think I see your problem. Try compiling with LANGLVL(LONGLONG). ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN