If you want to find out qualified job name in RPG for subsequent use :
dcl-pr QUSRJOBI extpgm;
*n char(32766) options(*varsize);
*n int(10:0) const;
*n char(8) const;
*n char(26) const;
*n char(16) const;
end-pr;
dcl-ds Job len(86) qualified inz ;
Name char(10) pos(9) ;
User char(10) pos(19) ;
Number char(6) pos(29) ;
end-ds ;
QUSRJOBI(Job:%size(Job):'JOBI0100':'*':'') ;
Variables Job.Name, Job.User, Job.Number will contain requested information.