int charqueue_dequeue(struct charqueue *charqueue);
int visor_charqueue_dequeue_n(struct charqueue *charqueue, unsigned char *buf,
int n);
-BOOL visor_charqueue_is_empty(struct charqueue *charqueue);
+bool visor_charqueue_is_empty(struct charqueue *charqueue);
void visor_charqueue_destroy(struct charqueue *charqueue);
#endif