getting parms from URL using GET

I need to get the parameters from a URL into an rpg IV program.  The
program is called using the http GET method.  The URL looks something like
this:

http://my.host.com/cgi-bin/myprogram.pgm?parm1=value1&parm2=value2

I want to put the data into a data structure that looks something like
this:

name    (varying length)
value   (varying length)

and have an occurrence for each parm,value pair.  Ideally this would be in
a subprocedure (let's call it InitCgiGet) which would populate a data
structure defined in my main rpg program.  The main rpg program would pass
the data structure as a pointer, something like this:

[main rpg program]

D entries       DS      BASED(pointer)
D  name                 varying
D  value                varying

C               eval    entries = InitCgiGet(pointer)

[subprocedure InitCgiGet]
(gets environment variables to populate entries data structure)
C       return

Anyone know how to do this?  My examples and explanation my not be clear,
let me know if this doesn't make sense.

James Rich
james@eaerich.com

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