+void pcbit_deliver(struct work_struct *work);
+int pcbit_init_dev(int board, int mem_base, int irq);
+void pcbit_terminate(int board);
+void pcbit_l3_receive(struct pcbit_dev * dev, ulong msg, struct sk_buff * skb,
+ ushort hdr_len, ushort refnum);
+void pcbit_state_change(struct pcbit_dev * dev, struct pcbit_chan * chan,
+ unsigned short i, unsigned short ev, unsigned short f);