};
typedef struct statsd_metric_s statsd_metric_t;
-static c_avl_tree_t *metrics_tree = NULL;
+static c_avl_tree_t *metrics_tree;
static pthread_mutex_t metrics_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_t network_thread;
static bool network_thread_running;
static bool network_thread_shutdown;
-static char *conf_node = NULL;
-static char *conf_service = NULL;
+static char *conf_node;
+static char *conf_service;
static bool conf_delete_counters;
static bool conf_delete_timers;
static bool conf_delete_gauges;
static bool conf_delete_sets;
-static double *conf_timer_percentile = NULL;
+static double *conf_timer_percentile;
static size_t conf_timer_percentile_num;
static bool conf_counter_sum;