gistfile1.txt

https://github.com/xcir/libvmod-parsereq/tree/future-iterate
--vcl

import std;
import parsereq;

sub test{
        parsereq.next_offset(req);
        if(parsereq.current_key(req) != "hoge"){
                set req.http.hoge = req.http.hoge + parsereq.current_key(req) + "("+parsereq.size(req,parsereq.current_key(req)) +"):";
                set req.http.hoge = req.http.hoge + parsereq.param(req, parsereq.current_key(req)) + " ";
        }
}

sub vcl_recv{
        if(1 == 0){
                call test;
        }
        parsereq.init();
        set req.http.hoge= "[start1]";
        C{
                Vmod_Func_parsereq.iterate(sp, "req", (const char*)VGC_function_test);
        }C
        set req.http.hoge = req.http.hoge + "[end]";
        std.syslog(6,req.http.hoge);
}

--ret
Nov 20 03:02:00 localhost varnishd[6249]: [start1]Host(18):192.168.1.199:6081 Connection(10):keep-alive Cache-Control(9):max-age=0 User-Agent(108):Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11 Accept(63):text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding(17):gzip,deflate,sdch Accept-Language(23):ja,en-US;q=0.8,en;q=0.6 Accept-Charset(29):Shift_JIS,utf-8;q=0.7,*;q=0.3 Cookie(21):aaaa=bbbb; cccc=sssss X-VMOD-PARSEREQ-PTR(15):140350670795136 [end]