Macro L_cuserid missing in /usr/include/stdio.h in F17 ?

[Brendan Jones]

On 07/23/2012 07:56 AM, Joachim Backes wrote:
> #include <unistd.h>
> #include <stdio.h>
> main () {
> fprintf (stderr,"L_cuserid = %d",L_cuserid);
> }
Do you need to add  -D_GNU_SOURCE to your compile line?