Date:         Tue, 25 Nov 1997 08:28:17 -0500
Reply-To:     REXX Programming discussion list <REXXLIST@UGA.CC.UGA.EDU>
Sender:       REXX Programming discussion list <REXXLIST@UGA.CC.UGA.EDU>
From:         Gilles Plante <sittel@IBM.NET>
Organization: SITTEL
Subject:      Re: External Internal Functions
Content-Type: text/plain; charset=us-ascii

George Palma wrote:
>
> >       Is there a good way of making external subroutines behave as
> >internal ones?  (something like C's #include)  I would prefer a portable
> >solution, but if there isn't one I can use a DLL specific to OS/2.
> >
> For OS/2 REXX, this is done simply by using the CALL instruction. When it is
used,
> it first searches for a built-in procedure (i.e., part of REXX), it then
searches for
> an internal procedure (part of the active source file), and finally searches
the
> PATH for an external procedure, which is a REXX program. Thus to call an
external
> procedure that is contained in a file PROC.CMD merely use:
>   CALL PROC
 
The order of search is: 1) internal routines 2) integrated routines 3)
external routines
 
> and REXX will take care of the rest. Of course PROC.CMD will have to be
written so
> as to handle arguments, returns, etc.
>
> George Palma
> Loomis, CA
> Running OS/2 Warp 4 ...
 
--
Gilles Plante, ing.
Les Microsystemes Sittel Ltee
2073 Branly, Sainte-Foy, Quebec, Canada, G1N 4C7
Tel:(418)682-0286 -- sittel@ibm.net