icmp.h

该程序类似于tcpdump软件

/**************************************************************************** 
** File: icmp.h
**
** Author: Mike Borella
**
** Comments: Generic ICMP header format for fixed portion
**
** $Log: icmp.h,v $
** Revision 1.2  1998/06/12 20:49:36  mborella
** Added log tag
**
**
*****************************************************************************/


typedef struct _ICMPhdr
{
  u_int8_t type;
  u_int8_t code;
  u_int16_t csum;
} ICMPhdr;


typedef struct _echoext
{
  u_int16_t id;
  u_int16_t seqno;
} echoext;

void dump_icmp(u_char *bp);