失去本机的MAC，IP, MASK地址

#include "InitSock.h" #include <stdio.h> #include <iphlpapi.h> #pragma comment(lib, "IPHLPAPI.lib") u_char g_ucLocalMac[6]; DWORD g_dwGatewayIP; DWORD g_dwLocalIP; DWORD g_dwMask; BOOL GetGlobalData() { PIP_ADAPTER_INFO pAdapterInfo = NULL; ULONG ulSize = 0; //为结构申请内存 ::GetAdaptersInfo(pAdapterInfo, &ulSize); pAdapterInfo = (PIP_ADAPTER_INFO)::GlobalAlloc(GPTR, ulSize); if ( ERROR_SUCCESS == ::GetAdaptersInfo(pAdapterInfo, &ulSize)) { if (pAdapterInfo != NULL) { memcpy(g_ucLocalMac, pAdapterInfo->Address, 6); g_dwGatewayIP = ::inet_addr(pAdapterInfo->GatewayList.IpAddress.String); g_dwLocalIP = ::inet_addr(pAdapterInfo->IpAddressList.IpAddress.String); g_dwMask = ::inet_addr(pAdapterInfo->IpAddressList.IpMask.String); } } //in_addr表示IP的结构 in_addr in; in.S_un.S_addr = g_dwLocalIP; printf(" IP Address:%-30sn", ::inet_ntoa(in)); in.S_un.S_addr = g_dwGatewayIP; printf(" Gateway Address:%-30sn", ::inet_ntoa(in)); in.S_un.S_addr = g_dwMask; printf(" MASK Address:%-30sn", ::inet_ntoa(in)); u_char* p = g_ucLocalMac; printf(" MAC:%02X-%02X-%02X-%02X-%02X-%02Xn", p[0], p[1], p[2], p[3], p[4], p[5]); ::GlobalFree(pAdapterInfo); pAdapterInfo = NULL; return TRUE; } void main() { CInitSock initSock; GetGlobalData(); printf("*******************************"); getchar(); }