+extern u_int chdlc_print(register const u_char *, u_int);
+extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *);
+extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *);
+extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *);