Path: utzoo!attcan!uunet!ncrlnk!ncrcae!hubcap!gatech!purdue!haven!adm!xadmx!MATHRICH@umcvmb.missouri.edu
From: MATHRICH@umcvmb.missouri.edu (Rich Winkel UMC Math Department)
Newsgroups: comp.lang.pascal
Subject: (re:)**3 function return value
Message-ID: <18654@adm.BRL.MIL>
Date: 10 Mar 89 20:34:11 GMT
Sender: news@adm.BRL.MIL
Lines: 20

Arghhh!  I apologize for using so much bandwidth for this problem.  It's my
fault for not giving a good example of what I want to do.  Let me try again:

function what(var where:string):string;
begin
   what:=where;
   delete(what,5,10);
end;

Ok, so I need to:
1. Use a VAR parameter to the function to avoid stacking a large variable,
2. Avoid modifying the var parameter to the function,
3. Avoid defining temp variables (which use up stack space)
4. Do an operation which involves modifying a copy of the var parameter.
If this was assembler, it would be easy to just use the same stack buffer as
both a work area and a return buffer.  Is there some way to do the same in
pascal?
Thanks for your indulgence.

Rich Winkel