-extern void ipnet_print(const u_char *, u_int, u_int);
-extern u_int ipnet_if_print(const struct pcap_pkthdr *, const u_char *);
-extern int ipnet_encap_print(u_short, const u_char *, u_int, u_int);
+extern u_int usb_linux_48_byte_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int usb_linux_64_byte_print(const struct pcap_pkthdr *, const u_char *);