>       HPDEVCONTROL(&status, ldev, 100, 0);
                                         ^
 
If I'm not mistaken, the 4th parameter is a pass-by-reference item,
not value.
 
SRN's CSEQ says:
 
Procedure HPDEVCONTROL (
   status       : anyvar record  ;        {R26, @32 -> 32, align 32}
   ldev_ca      : anyvar record  ;        {R25, @32 -> 8208}
   itemnum      :        int32   ;        {R24}
   item         : anyvar int32   )        {R23}
   {NOTE: NOTE: NOTE:                                                  }
   {  The intrinsic definition of this procedure may                   }
   {  *not* match reality!  (As of MPE/iX 4.0)                         }
   {The "itemnum" parameter is actually by-value, and                  }
   {the NL.PUB.SYS entry is uppercase "HPDEVCONTROL".                  }
      uncheckable_anyvar
 
 
--
------------
Randy Medd
Telamon, Inc.