#pragma?comment（lib“ws2_32.lib“）
#include?
#include?
#include?
#include?
#include?

#define?IP_RECORD_ROUTE	0x7
#define?DEF_PACKET_SIZE?32
#define?MAX_PACKET	1024
#define?MAX_IP_HDR_SIZE?60
#define?ICMP_ECHO?8
#define?ICMP_ECHOREPLY?0
#define?ICMP_MIN?8

void?InitPing（）;
void?UserHelp（）;
void?GetArgments（int?argc?char**?argv）;?
USHORT?CheckSum（USHORT?*buffer?int?size）;
void?FillICMPData（char?*icmp_data?int?datasize）;
void?FreeRes（）;
void?DecodeIPOptions（char?*buf?int?bytes）;
void?DecodeICMPHeader（char?*buf?int?bytes?SOCKADDR_IN*?from）;
void?PingTest（int?timeout）;

typedef	struct?_iphdr{
	unsigned?int?h_len:4;	/*header?length*/
	unsigned?int?version:4;	/*version?number*/
	unsigned?char?tos;		/*type?of?serv