C++ 获取计算机MAC地址

#include "stdafx.h"#include <windows.h>#include <wincon.h>#include <stdio.h>#include <time.h>#include <Nb30.h>#pragma comment(lib,"netapi32.lib")  int GetMac(char * mac){NCB ncb;typedef struct _ASTAT_{ADAPTER_STATUS   adapt;NAME_BUFFER   NameBuff[30];}ASTAT, *PASTAT;ASTAT Adapter;typedef struct _LANA_ENUM{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];UCHAR   ncb_callname[NCBNAMSZ];strcpy_s((char*)ncb.ncb_callname, sizeof(ncb_callname), "*");ncb.ncb_buffer = (unsigned char *)&Adapter;ncb.ncb_length = sizeof(Adapter);uRetCode = Netbios(&ncb);if (uRetCode != NRC_GOODRET)return uRetCode;sprintf_s(mac, 1024,"%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 = new char[32];GetMac(mac);printf("%s\n ", mac);delete[]mac;system("PAUSE> NUL ");return 0;}