RE: Using CALLB with a Service Program

CALLB has nothing to do with bind by copy or bind by reference.  It is
simply calling a bound procedure.  

Bind by copy and bind by reference refer to creation of an RPG program.
Since you are using the Qtmhxxxx proceudres from the QTMHCGI service
program, when you compile your program you will have to reference the
service program in the CRTBNDRPG program directly or through a binding
directory.  You are binding by reference, here.  

The Qtmhxxxx APIs are proceudres written in C and are in a service program
QTMHCGI in library QTCP.

Bradley V. Stone
Taylor Corporation - OASIS Programmer/Analyst   
bvstone@taylorcorp.com


> -----Original Message-----
> From: Joe Teff [SMTP:jteff19@idt.net]
> Sent: Friday, June 04, 1999 8:08 AM
> To:   Midrange Dot Com
> Subject:      Using CALLB with a Service Program
> 
> I have always understood that a CALLB was a 'bind by copy'
> where a copy of all the modules involved were copied into a
> program. A service program may contain multiple modules,
> but all code in them would be procedures. As I'm getting into
> coding cgi-bin in RPG/ILE, I would use the following CALLB
> statements to first read the input fields from the form to get
> a string with all of the data and then convert them to fields
> within my program:
> 
>    C              CALLB    'QtmhRdStin'       PARMS1
>    C              CALLB    'QtmhCvtDb'        PARMS2
> 
> PARMS1 and PARMS2 refer to the appropriate parameter
> list for each call. In order to compile my program, I need to name
> QTCP/QTMHCGI as a service program. I do not understand
> how this works. Are QtmhRdStin and QtmhCvtDb modules or
> procedures or what? They were not copied into my program, so
> why would CALLB be used?
> 
> Thanks,   Joe Teff
> 
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