NetBSD/usr.sbin/tcpdump/interface.h

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/* $NetBSD: interface.h,v 1.2 1995/03/06 19:10:18 mycroft Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#) Header: interface.h,v 1.66 94/06/14 20:21:37 leres Exp (LBL)
*/
#ifdef __GNUC__
#define inline __inline
#ifndef __dead
#define __dead volatile
#endif
#else
#define inline
#define __dead
#endif
#include "os.h" /* operating system stuff */
#include "md.h" /* machine dependent stuff */
#ifndef SIGRET
#define SIGRET void /* default */
#endif
struct token {
int v; /* value */
char *s; /* string */
};
extern int dflag; /* print filter code */
extern int eflag; /* print ethernet header */
extern int nflag; /* leave addresses as numbers */
extern int Nflag; /* remove domains from printed host names */
extern int qflag; /* quick (shorter) output */
extern int Sflag; /* print raw TCP sequence numbers */
extern int tflag; /* print packet arrival time */
extern int vflag; /* verbose */
extern int xflag; /* print packet in hex */
extern char *program_name; /* used to generate self-identifying messages */
extern int snaplen;
/* global pointers to beginning and end of current packet (during printing) */
extern const u_char *packetp;
extern const u_char *snapend;
extern int fddipad; /* alignment offset for FDDI headers, in bytes */
/* Eliminate some bogus warnings. */
struct timeval;
typedef void (*printfunc)(u_char *, struct timeval *, int, int);
extern void ts_print(const struct timeval *);
extern int clock_sigfigs(void);
int gmt2local(void);
extern int fn_print(const u_char *, const u_char *);
extern int fn_printn(const u_char *, u_int, const u_char *);
extern const char *tok2str(const struct token *, const char *, int);
extern char *dnaddr_string(u_short);
extern char *savestr(const char *);
extern int initdevice(char *, int, int *);
extern void wrapup(int);
extern __dead void error(char *, ...);
extern void warning(char *, ...);
extern char *read_infile(char *);
extern char *copy_argv(char **);
extern void usage(void);
extern char *isonsap_string(const u_char *);
extern char *llcsap_string(u_char);
extern char *protoid_string(const u_char *);
extern char *dnname_string(u_short);
extern char *dnnum_string(u_short);
/* The printer routines. */
struct pcap_pkthdr;
extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char*);
extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char*);
extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void arp_print(const u_char *, int, int);
extern void ip_print(const u_char *, int);
extern void tcp_print(const u_char *, int, const u_char *);
extern void udp_print(const u_char *, int, const u_char *);
extern void icmp_print(const u_char *, const u_char *);
extern void default_print(const u_char *, int);
extern void default_print_unaligned(const u_char *, int);
extern void aarp_print(const u_char *, int);
extern void atalk_print(const u_char *, int);
extern void bootp_print(const u_char *, int, u_short, u_short);
extern void decnet_print(const u_char *, int, int);
extern void egp_print(const u_char *, int, const u_char *);
extern int ether_encap_print(u_short, const u_char *, int, int);
extern void ipx_print(const u_char *, int length);
extern void isoclns_print(const u_char *, int, int,
const u_char *, const u_char *);
extern int llc_print(const u_char *, int, int, const u_char *, const u_char *);
extern void nfsreply_print(const u_char *, int, const u_char *);
extern void nfsreq_print(const u_char *, int, const u_char *);
extern void ns_print(const u_char *, int);
extern void ntp_print(const u_char *, int);
extern void ospf_print(const u_char *, int, const u_char *);
extern void rip_print(const u_char *, int);
extern void snmp_print(const u_char *, int);
extern void sunrpcrequest_print(const u_char *, int, const u_char *);
extern void tftp_print(const u_char *, int);
extern void wb_print(const void *, int);
#define min(a,b) ((a)>(b)?(b):(a))
#define max(a,b) ((b)>(a)?(b):(a))
/*
* The default snapshot length. This value allows most printers to print
* useful information while keeping the amount of unwanted data down.
* In particular, it allows for an ethernet header, tcp/ip header, and
* 14 bytes of data (assuming no ip options).
*/
#define DEFAULT_SNAPLEN 68
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
#endif