};
static int ir_ignorelist_invert = 1;
-static ir_ignorelist_t *ir_ignorelist_head = NULL;
+static ir_ignorelist_t *ir_ignorelist_head;
static struct mnl_socket *nl;
-static char **iflist = NULL;
+static char **iflist;
static size_t iflist_len = 0;
static const char *config_keys[] = {"Interface", "VerboseInterface",