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From: chertzer@ux5.lbl.gov (Cynthia Hertzer)
Newsgroups: comp.lang.rexx,comp.lang.asm370
Subject: help needed passing params from a C program to a REXX EXEC
Message-ID: <10916@dog.ee.lbl.gov>
Date: 13 Mar 91 23:22:51 GMT
Followup-To: comp.lang.rexx
Organization: Lawrence Berkeley Laboratory, Berkeley
Lines: 45
X-Local-Date: Wed, 13 Mar 91 15:22:51 PST

Hi folks,

I am writing an X windows FTP interface on a machine running VM/XA. 
I'm looking for ways to pass variables from a C program to a REXX exec.
The C program should get the userid, password, etc. from the user.
The C program then calls the REXX exec and passes the the userid/password
as parameters so that the REXX exec can call FTP with the appropriate args.

My working REXX EXEC looks like this:

 /*
  * FTPCMD EXEC
  * This exec downloads a file to a workstation and prints an FTP 
  * return code
  */

 'MAKEBUF'
 QUEUE 'myuserid mypassword'
 QUEUE 'put myfile myfile'
 QUEUE 'quit'
 'ftp myhost (exit'
 SAY 'Ready(FTP rc='rc');'
 'DROPBUF'
 EXIT

I would like to stack myuserid, mypassword, myfile, and myhost before I
call the REXX EXEC.

Questions:

1) (Any C programmers out there?) Does anyone know a way I can avoid
the REXX part entirely?

2) Page 121 of VM/SP _System Product Interpreter Reference_ says I can use 
PLISTS. I assume this means I have to write an assembly module to
be called by the C module before it calling the REXX EXEC. Is this correct?
Also, can someone send me an example of using PLISTS?

Please reply by email to chertzer@ux5.lbl.gov

Thank you!

Cynthia Hertzer
chertzer@ux5.lbl.gov
chertzer@UCBCMSA.BITNET