struct sender_client *accept_sender_client(struct sender_status *ss);
int send_queued_chunks(int fd, struct chunk_queue *cq,
size_t max_bytes_per_write);
struct sender_client *accept_sender_client(struct sender_status *ss);
int send_queued_chunks(int fd, struct chunk_queue *cq,
size_t max_bytes_per_write);