sql to describe table function

select
  substr(P.ROUTINENAME,1,48) as ROUTINENAME,
  substr(P.SPECIFICNAME,1,48) as SPECIFICNAME,
  case when P.ROWTYPE in ('B','O','P') then CHAR('IN',3) else CHAR('OUT',3) end as IN_OUT,
  cast(p.ORDINAL as char(3)) as ORD,
  substr(P.PARMNAME,1,40) as PARMNAME,
  substr(P.TYPENAME,1,16) as TYPE
from sysibm.sysroutines r,  sysibm.sysroutineparms p
where p.routineschema=r.routineschema
  and p.routinename=r.routinename
  and p.specificname=r.specificname
  and r.function_type='T'
  and r.ROUTINENAME='MON_GET_TABLE'
order by P.ROUTINESCHEMA,P.ROUTINENAME,P.SPECIFICNAME,IN_OUT,P.ORDINAL;