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  • Subject: Re: Multiple parms to procedures
  • From: Jon Paris <paris@xxxxxxxxxx>
  • Date: Sat, 25 Jul 1998 02:54:46 -0400

There are two ways to receive a DS as the return value of a procedure - return
a pointer containing the address of the structure, or return the structure
itself as a single field.  The following shows how the second one works.  I've
hardcoded the DS, but obviously an external description would be better.

     D ReturnDS        DS
     D  Field1                       20
     D  Field2                       10

     D MyProc          Pr                  Like(ReturnDS)
     D  Parm                          1    Const

     C                   Eval      ReturnDS = MyProc('X')

     P MyProc          B

     D                 PI                  Like(ProcDS)
     D  Request                       1    Const

     D ProcDS          DS
     D  Fld1                         20
     D  Fld2                         10

     C                   If        Request = 'X'
     C                   Eval      Fld1 = *ALL'X'
     C                   EndIf
     C                   Return    ProcDS
     P                 E

Jon Paris - AS/400 AD Market Support - paris@ca.ibm.com
Phone: (416) 448-4019   -   Fax: (416) 448-4414
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