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【C】获取局域网目的主机mac

作者:黑色之崛起 / 发布于2013/10/23/ 563


	// get_mac.cpp : 定义控制台应用程序的入口点。
	//

	
	#ifndef WIN32_LEAN_AND_MEAN
	#define WIN32_LEAN_AND_MEAN
	#endif

	#include <winsock2.h>
	#include <iphlpapi.h>
	#include <stdio.h>
	#include <stdlib.h>

	#pragma comment(lib, "iphlpapi.lib")
	#pragma comment(lib, "ws2_32.lib")


	int __cdecl main(int argc, char **argv)
	{
	 DWORD dwRetVal;
	 IPAddr DestIp = 0;
	 IPAddr SrcIp = 0; /* default for src ip */
	 ULONG MacAddr[2]; /* for 6-byte hardware addresses */
	 ULONG PhysAddrLen = 6; /* default to length of six bytes */

	 char *DestIpString = NULL;
	 char *SrcIpString = NULL;

	 BYTE *bPhysAddr;
	 unsigned int i;

	
	 DestIpString = "222.18.176.173";//输入要获取mac的Ip

	 DestIp = inet_addr(DestIpString);

	 memset(&MacAddr, 0xff, sizeof (MacAddr));

	 printf("Sending ARP request for IP address: %s\n", DestIpString);

	 dwRetVal = SendARP(DestIp, SrcIp, &MacAddr, &PhysAddrLen);

	 if (dwRetVal == NO_ERROR) {
	 bPhysAddr = (BYTE *) & MacAddr;
	 if (PhysAddrLen) {
	 for (i = 0; i < (int) PhysAddrLen; i++) {
	 if (i == (PhysAddrLen - 1))
	 printf("%.2X\n", (int) bPhysAddr[i]);
	 else
	 printf("%.2X-", (int) bPhysAddr[i]);
	 }
	 } else
	 printf
	 ("Warning: SendArp completed successfully, but returned length=0\n");

	 } else {
	 printf("Error: SendArp failed with error: %d", dwRetVal);
	 switch (dwRetVal) {
	 case ERROR_GEN_FAILURE:
	 printf(" (ERROR_GEN_FAILURE)\n");
	 break;
	 case ERROR_INVALID_PARAMETER:
	 printf(" (ERROR_INVALID_PARAMETER)\n");
	 break;
	 case ERROR_INVALID_USER_BUFFER:
	 printf(" (ERROR_INVALID_USER_BUFFER)\n");
	 break;
	 case ERROR_BAD_NET_NAME:
	 printf(" (ERROR_GEN_FAILURE)\n");
	 break;
	 case ERROR_BUFFER_OVERFLOW:
	 printf(" (ERROR_BUFFER_OVERFLOW)\n");
	 break;
	 case ERROR_NOT_FOUND:
	 printf(" (ERROR_NOT_FOUND)\n");
	 break;
	 default:
	 printf("\n");
	 break;
	 }
	 }

	 return 0;
	}

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