透析ICMP协议(3): 应用篇ping(ICMP.dll)

核心提示： ==主函数==int main(int argc, char* argv[]){WSAData wsaData;if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0) {return 255;}int retval = doit(argc, argv)

==================主函数==================

int main(int argc, char* argv[])
{
WSAData wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0) {
return 255;
}
int retval = doit(argc, argv);
WSACleanup();
return retval;
}

==================头文件==================

icmpdefs.h
//ICMP.DLL 函数中需要的结构

typedef struct {
unsigned char Ttl; // Time To Live
unsigned char Tos; // Type Of Service
unsigned char Flags; // IP header flags
unsigned char OptionsSize; // Size in bytes of options data
unsigned char *OptionsData; // Pointer to options data
} IP_OPTION_INFORMATION, * PIP_OPTION_INFORMATION;
typedef struct {
DWORD Address; // Replying address
unsigned long Status; // Reply status
unsigned long RoundTripTime; // RTT in milliseconds
unsigned short DataSize; // Echo data size
unsigned short Reserved; // Reserved for system use
void *Data; // Pointer to the echo data
IP_OPTION_INFORMATION Options; // Reply options
} IP_ECHO_REPLY, * PIP_ECHO_REPLY;

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