Positioning a windowed subfile

Iam trying to get the inquiry window to pop up where the cursor is positioned 
in subfile program.
When the user presses F4 to call the subfile inquiry program , the program 
needs to retrieve the cursor position of the screen to pass the coordinates to 
the subfile program.This process is coded in the following lines...
 
F  subfile     C  F E   WORKSTN
F                                                     KINFDS INFDS
 
I INFDS         DS
I                                              370 371 LINPOS
 
I                                         B   1       20LIN
I                                                2      2 L
 
I                   DS
 
I                                          B   1    20POS
I                                                2   2     P
C                 MOVE *ZEROS      LIN
C                 MOVE *ZEROS      POS
C                 MOVELLINPOS      L
C                 MOVE  LINPOS      P
C                 Z-ADD  LIN             SL       30
C                 Z-ADD  POS           SP       30
 
 
 
Can  some advise better ile code to the above or any much simplified code?
 
Thank you,
 
 

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