Re: passing data structure as function parm

d data_struct  e ds      extname(FileName)

d @subProc       pr
d  in@ds            like(data_struct)



c         callp     @subProc(data_struct)



p @subProc     b
d         pi
d  in@ds            like(data_struct)

c  - calculations

p         e

If you don't define the in@ds with VALUE, the values loaded in IN@DS, in
your sub-procedure, will be loaded into data_struct upon return.


David L. Mosley, Jr.
Systems Analyst
2000 CentreGreen Way
Suite 250
Cary, NC 27513



                    James Rich
                    <james@eaerich.co        To:     <rpg400-l@midrange.com>
                    m>                       cc:
                    Sent by:                 Subject:     passing data 
structure as function parm
                    rpg400-l-admin@mi
                    drange.com


                    10/11/01 02:42 PM
                    Please respond to
                    rpg400-l






I want to pass a data structure as one of the parameters to a function
(oops - I mean sub procedure).  So I get something like this:

caller:
C    eval err = get_data(data_struct)

then called does:
C    z-add     data data_struct.field1
C    z-add     data data_struct.field2
etc.

returning to caller:
C    z-add     data_struct.field1  field1
C    z-add     data_struct.field2  field2

I don't know how to do this in RPG.  I'm at V4R1.  Any help?

James Rich
james@eaerich.com

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