static filter_function_ptr get_filter_function(const struct client_state *csp);
static jb_err prepare_for_filtering(struct client_state *csp);
static void apply_url_actions(struct current_action_spec *action,
static filter_function_ptr get_filter_function(const struct client_state *csp);
static jb_err prepare_for_filtering(struct client_state *csp);
static void apply_url_actions(struct current_action_spec *action,