Added documentation of new argument walking function.

Tom


git-svn-id: http://svn.cactuscode.org/arrangements/CactusConnect/HTTPD/trunk@32 1faa4e14-9dd3-4be0-9f0e-ffe519881164

1 files changed, 13 insertions, 0 deletions

diff --git a/README b/README
index df651b3..37665eb 100644
--- a/README
+++ b/README
@@ -77,6 +77,19 @@ may be used.  Given the name of a header field or an argument, these
 functions will return the corresponding value, or NULL if the argument 
 or header does not exist.
 
+There is also a function
+
+const httpArg *HTTP_ArgumentWalk(httpRequest *request, int first);
+
+which will walk through all the arguments passed to a page.  If
+'first' is true it will start with the first argument, otherwise it
+will start with the next argument after the last one queried.
+Currently this is the only way to get arguments which are passed in
+more than once.  The httpArg structure contains two public variables
+
+arg                      The name of the argument.
+value                    The value of the argument.
+
 
 Writing to the browser:
 ----------------------