ntations also provide a way to get all the
environment variables, but others do not.</p>
<p>This SRFI specifies a uniform interface for accessing environment
variables.  That should make it easier to write portable programs
that need access to their environment.
For example, a CGI program may portably obtain the values of the
Meta-Variables "QUERY_STRING", "CONTENT_LENGTH" and
"REQUEST_METHOD" as in the following examples:</p>
<pre>(get-environment-variable "QUERY_STRING") =&gt; "foo=bar&amp;huga=hige"
(get