+extern void netbeui_print(u_short, const u_char *, int);
+extern void ipx_netbios_print(const u_char *, u_int);
+extern void nbt_tcp_print(const u_char *, int);
+extern void nbt_udp137_print(const u_char *, int);
+extern void nbt_udp138_print(const u_char *, int);
+extern char *smb_errstr(int, int);
+extern void print_data(const unsigned char *, int);
+extern void l2tp_print(const u_char *, u_int);
+extern void lcp_print(const u_char *, u_int);
+extern void vrrp_print(const u_char *, u_int, int);
+extern void cdp_print(const u_char *, u_int, u_int, const u_char *,
+ const u_char *);
+extern void stp_print(const u_char *, u_int);
+extern void radius_print(const u_char *, u_int);
+extern void lwres_print(const u_char *, u_int);
+extern void pptp_print(const u_char *, u_int);
+extern void sctp_print(const u_char *, const u_char *, u_int);
+extern void mpls_print(const u_char *, u_int);
+extern void zephyr_print(const u_char *, int);
+extern void hsrp_print(const u_char *, u_int);
+