-extern void ascii_print_with_offset(const u_char *, u_int, u_int);
-extern void ascii_print(const u_char *, u_int);
-extern void hex_print_with_offset(const u_char *, u_int, u_int);
-extern void telnet_print(const u_char *, u_int);
-extern void hex_print(const u_char *, u_int);
-extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
-extern int llc_print(const u_char *, u_int, u_int, const u_char *,
- const u_char *, u_short *);
-extern void aarp_print(const u_char *, u_int);
-extern void arp_print(const u_char *, u_int, u_int);
-extern void atalk_print(const u_char *, u_int);
-extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void bootp_print(const u_char *, u_int, u_short, u_short);
-extern void bgp_print(const u_char *, int);
-extern void beep_print(const u_char *, u_int);
-extern void cnfp_print(const u_char *, u_int, const u_char *);
-extern void decnet_print(const u_char *, u_int, u_int);
-extern void default_print(const u_char *, u_int);
-extern void default_print_unaligned(const u_char *, u_int);
-extern void dvmrp_print(const u_char *, u_int);
-extern void egp_print(const u_char *, u_int, const u_char *);
-extern void pflog_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void ether_print(const u_char *, u_int, u_int);
-extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern u_int token_print(const u_char *, u_int, u_int);
-extern void token_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void fddi_print(const u_char *, u_int, u_int);
-extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ieee802_11_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void gre_print(const u_char *, u_int);
-extern void icmp_print(const u_char *, u_int, const u_char *);
-extern void igmp_print(const u_char *, u_int);
-extern void igrp_print(const u_char *, u_int, const u_char *);
-extern void ip_print(const u_char *, u_int);
-extern void ipN_print(const u_char *, u_int);
-extern void ipx_print(const u_char *, u_int);
-extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
- const u_char *);
-extern void krb_print(const u_char *, u_int);
-extern void llap_print(const u_char *, u_int);
-extern void ltalk_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void msdp_print(const unsigned char *, u_int);
-extern void nfsreply_print(const u_char *, u_int, const u_char *);
-extern void nfsreq_print(const u_char *, u_int, const u_char *);
-extern void ns_print(const u_char *, u_int);
-extern void ntp_print(const u_char *, u_int);
-extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ospf_print(const u_char *, u_int, const u_char *);
-extern void pimv1_print(const u_char *, u_int);
-extern void cisco_autorp_print(const u_char *, u_int);
-extern void mobile_print(const u_char *, u_int);
-extern void pim_print(const u_char *, u_int);
-extern u_int pppoe_print(const u_char *, u_int);
-extern u_int ppp_print(register const u_char *, u_int);
-extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void pppoe_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern int vjc_print(register const char *, register u_int, u_short);
-extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void rip_print(const u_char *, u_int);
-extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
-extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
-extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-extern void chdlc_print(register const u_char *, u_int, u_int);
-extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void snmp_print(const u_char *, u_int);
-extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
-extern void tcp_print(const u_char *, u_int, const u_char *, int);
-extern void tftp_print(const u_char *, u_int);
-extern void timed_print(const u_char *, u_int);
-extern void udp_print(const u_char *, u_int, const u_char *, int);
-extern void wb_print(const void *, u_int);
-extern int ah_print(register const u_char *, register const u_char *);
-extern int esp_print(register const u_char *, register const u_char *, int *, int *);
-extern void isakmp_print(const u_char *, u_int, const u_char *);
-extern int ipcomp_print(register const u_char *, register const u_char *, int *);
-extern void rx_print(register const u_char *, int, int, int, u_char *);
-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);
-
-#ifdef INET6
-extern void ip6_print(const u_char *, u_int);
-extern void ip6_opt_print(const u_char *, int);
-extern int hbhopt_print(const u_char *);
-extern int dstopt_print(const u_char *);
-extern int frag6_print(const u_char *, const u_char *);
-extern void icmp6_print(const u_char *, const u_char *);
-extern void ripng_print(const u_char *, unsigned int);
-extern int rt6_print(const u_char *, const u_char *);
-extern void ospf6_print(const u_char *, u_int);
-extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t);
-#endif /*INET6*/
-extern u_short in_cksum(const u_short *, register u_int, int);
-