};
extern void ether_user_init(void *data, void *dev);
-extern void dev_ip_addr(void *d, char *buf, char *bin_buf);
+extern void dev_ip_addr(void *d, unsigned char *bin_buf);
extern void set_ether_mac(void *d, unsigned char *addr);
extern void iter_addresses(void *d, void (*cb)(unsigned char *,
unsigned char *, void *),
extern void free_output_buffer(void *buffer);
extern int tap_open_common(void *dev, char *gate_addr);
-extern void tap_check_ips(char *gate_addr, char *eth_addr);
+extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr);
extern void read_output(int fd, char *output_out, int len);