fd_set is not ANSI C, AFAIK, maybe TCP/IP?
I guess, you have to specify either a special compiler option, which tells the
compiler to include all POSIX things, or so.
I'm almost sure that the fd_set definition in sys/types is included in some
#ifdef preprocessor statement, which excludes it from your compile due to
wrong compiler options or missing #defines in front of the #include.
A closer look into the sys/types file should help.
Kind regards
Bernd
Am Mittwoch, 29. November 2006 11:57 schrieben Sie:
> All,
>
> I need the datatype fd_set and the select() function on z/OS but it
> seems I'm loosing the fight with the compiler :-(
>
> my source looks quite simple:
>
> #include <sys/types.h>
> #include <sys/time.h>
> #include <sys/msg.h>
>
> int main(int argc, char *argv[])
> {
> fd_set bla;
>
> printf("HEEEEEELP!\n");
> return(0);
> }
>
> And the compiler tells me:
>
> CCN3275 Unexpected text bla encountered.
> CCN3045 Undeclared identifier fd_set.
>
>
> But why?!?!?! What's missing? "fd_set" is defined in sys/time.h
> (SYS1.CEE.SCEEH.SYS.H) and I can't see what I'm missing.
>
> Just for the completeness, here are my compiler-options:
>
> DLL
> RENT
> STRICT
> CHARS(UNSIGNED)
> LANGLVL(EXTENDED)
> ARCH(0)
> TUNE(0)
> SSCOMM
> TARGET(LE)
> LSEARCH(DD:USERLIB)
> NOOPT
> LONGNAME
> SOURCE
> ROSTRING
> OBJECT
> PLIST(HOST)
> LOCALE(DE_DE.IBM-273)
> EXECOPS
> NOSTRICT_INDUC
> NOWSIZEOF
> NOSEQUENCE
> NOMARGINS
> NOINLINE
> NOLIST
> NOOFFSET
> NOCOMPACT
> NOCOMPRESS
> NOIGNERRNO
> NOINITAUTO
> DEFINE(_OS390)
> DEFINE(_OE_SOCKETS)
> DEFINE(_OPEN_MSGQ_EXT)
> DEFINE(_ALL_SOURCE)
>
>
> Can someone bring me in the right direction?!?!
>
> Thank you very much,
> Michael
>
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