};
typedef struct ctail_config_match_s ctail_config_match_t;
-cu_tail_match_t **tail_match_list = NULL;
-size_t tail_match_list_num = 0;
-cdtime_t tail_match_list_intervals[255];
+static cu_tail_match_t **tail_match_list = NULL;
+static size_t tail_match_list_num = 0;
+static cdtime_t tail_match_list_intervals[255];
static int ctail_config_add_match_dstype (ctail_config_match_t *cm,
oconfig_item_t *ci)