本文实例采用vc6.0运行环境，通过实例实现获得MAC地址的功能。
完整的实例代码如下：
#include "stdafx.h" #include <stdio.h> #include <stdlib.h> #include <httpext.h> #include <windef.h> #include <Nb30.h> int getMAC(char * mac) { NCB ncb; typedef struct _ASTAT_ { ADAPTER_STATUS adapt; NAME_BUFFER NameBuff [30]; }ASTAT, * PASTAT; ASTAT Adapter; typedef struct _LANA_ENUM { // le UCHAR length; UCHAR lana[MAX_LANA]; }LANA_ENUM ; LANA_ENUM lana_enum; UCHAR uRetCode; memset(&ncb, 0, sizeof(ncb)); memset(&lana_enum, 0, sizeof(lana_enum)); ncb.ncb_command = NCBENUM; ncb.ncb_buffer = (unsigned char *)&lana_enum; ncb.ncb_length = sizeof(LANA_ENUM); uRetCode = Netbios(&ncb); if(uRetCode != NRC_GOODRET) return uRetCode; for(int lana=0; lana<lana_enum.length; lana++) { ncb.ncb_command = NCBRESET; ncb.ncb_lana_num = lana_enum.lana[lana]; uRetCode = Netbios(&ncb); if(uRetCode == NRC_GOODRET) break; } if(uRetCode != NRC_GOODRET) return uRetCode; memset(&ncb, 0, sizeof(ncb)); ncb.ncb_command = NCBASTAT; ncb.ncb_lana_num = lana_enum.lana[0]; strcpy((char*)ncb.ncb_callname, "*"); ncb.ncb_buffer = (unsigned char *)&Adapter; ncb.ncb_length = sizeof(Adapter); uRetCode = Netbios(&ncb); if(uRetCode != NRC_GOODRET) return uRetCode; sprintf(mac,"%02X-%02X-%02X-%02X-%02X-%02X", Adapter.adapt.adapter_address[0], Adapter.adapt.adapter_address[1], Adapter.adapt.adapter_address[2], Adapter.adapt.adapter_address[3], Adapter.adapt.adapter_address[4], Adapter.adapt.adapter_address[5] ); return 0; } int main(int argc, char* argv[]) { char mac[200]; getMAC(mac); printf(" mac : %s n",mac); return 0; }
另外还需要注意：必须在project->Setting里添加库文件“netapi32.lib”。
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