Varnish Cache VCL is compiled into C and dynamically linked in. See -C [0].<p>[0] <a href="https:&#x2F;&#x2F;www.varnish-cache.org&#x2F;docs&#x2F;trunk&#x2F;reference&#x2F;varnishd.html#options" rel="nofollow">https:&#x2F;&#x2F;www.varnish-cache.org&#x2F;docs&#x2F;trunk&#x2F;reference&#x2F;varnishd....</a>