获取本地MAC地址和多IP

#include<atlbase.h>
#include<atlconv.h>
#include"iphlpapi.h"
#pragma comment(lib,"Iphlpapi.lib")
void Get_IP()
{
    PIP_ADAPTER_INFO pAdapterInfo;
    PIP_ADAPTER_INFO pAdapter = NULL;
    DWORD dwRetVal = 0;
    pAdapterInfo = (IP_ADAPTER_INFO*)malloc(sizeof(IP_ADAPTER_INFO));
    ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);
    if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) != ERROR_SUCCESS){
        //GlobalFree(pAdapterInfo);
        pAdapterInfo = (IP_ADAPTER_INFO*)malloc(ulOutBufLen);
    }
    if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == NO_ERROR){
        pAdapter = pAdapterInfo;
        while (pAdapter){
            if (strstr(pAdapter->Description, "PCI")>0//pAdapter->Description中包含"PCI"为：物理网卡
                || pAdapter->Type == 71//pAdapter->Type是71为：无线网卡
                ){
                printf("------------------------------------------------------------
");
                printf("网卡名称:	%s
", pAdapter->AdapterName);
                printf("网卡描述:	%s
", pAdapter->Description);
                printf("Gateway:	%s
", pAdapter->GatewayList.IpAddress.String);
                printf("网卡MAC地址:	");
                for (UINT i = 0; i<pAdapter->AddressLength; i++){
                    printf("%02X%c", pAdapter->Address[i],
                        i == pAdapter->AddressLength - 1 ? '
' : '-');
                }

                printf("网卡类型（71为无线网卡，6为物理网卡）:	%d
", pAdapter->Type);
                printf("IP地址:	%s
", pAdapter->IpAddressList.IpAddress.String);
                printf("子网掩码:	%s
", pAdapter->IpAddressList.IpMask.String);
            }
            pAdapter = pAdapter->Next;
        }
    }
    else
    {
        printf("Call to Get Adapters Information failed
");
    }
}


void main()
{
    Get_IP();
}

http://blog.csdn.net/l00109503/article/details/4044189