static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
static char *datadir;
-static int store_rates = 0;
-static int use_stdio = 0;
+static int store_rates;
+static int use_stdio;
static int value_list_to_string(char *buffer, int buffer_len,
const data_set_t *ds, const value_list_t *vl) {