typedef char *(*filter_function_ptr)();
static filter_function_ptr get_filter_function(const struct client_state *csp);
static jb_err prepare_for_filtering(struct client_state *csp);
typedef char *(*filter_function_ptr)();
static filter_function_ptr get_filter_function(const struct client_state *csp);
static jb_err prepare_for_filtering(struct client_state *csp);