获取本地网卡适配器信息具体代码

#include <Windows.h>
#include <IPHlpApi.h>
#include <stdio.h>

#pragma comment(lib, "IPHlpApi")
#pragma comment(lib, "ws2_32")

int main(int argc, char **argv)
{
    PIP_ADAPTER_INFO pAdapterInfo = NULL;
    ULONG ulLen = sizeof(IP_ADAPTER_INFO);
    struct tm newtime;
    char szBuffer[32];
    errno_t error;

    //为适配器结构申请内存
    //pAdapterInfo = (PIP_ADAPTER_INFO)GlobalAlloc(GPTR, ulLen);
    pAdapterInfo = (PIP_ADAPTER_INFO)HeapAlloc(GetProcessHeap(), 0, sizeof(IP_ADAPTER_INFO));
    if (NULL == pAdapterInfo)
    {
        printf("Error allocating memory needed to call GetAdaptersInfo.\n");
        return 1;
    }

    if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdapterInfo, &ulLen))
    {
        HeapFree(GetProcessHeap(), 0, pAdapterInfo);
        pAdapterInfo = (PIP_ADAPTER_INFO)HeapAlloc(GetProcessHeap(), 0, ulLen);
        if (NULL == pAdapterInfo)
        {
            printf("Error allocating memory needed to call GetAdaptersInfo.\n");
            return 1;
        }
    }

    //取得本地适配器结构信息
    if (ERROR_SUCCESS != GetAdaptersInfo(pAdapterInfo, &ulLen))
    {
        printf("GetAdaptersInfo error!\n");
        return 0;
    }
    if (NULL == pAdapterInfo)
    {
        printf("There is no adapters!\n");
        return 0;
    }

    SetConsoleTitle(TEXT("本地网卡适配器信息"));

    do
    {
        printf("ComboIndex:%d\n", pAdapterInfo->ComboIndex);
        printf("Adapter Name:%s\n", pAdapterInfo->AdapterName);
        printf("Adapter Desc:%s\n", pAdapterInfo->Description);
        printf("Adapter Addr:");
        for (size_t i = 0; i < pAdapterInfo->AddressLength; i++)
        {
            if (i == (pAdapterInfo->AddressLength - 1))
            {
                printf("%02X", (int)pAdapterInfo->Address[i]);
            }
            else
            {
                printf("%02X-", (int)pAdapterInfo->Address[i]);
            }
        }
        printf("\n");
        printf("Index:%d\n", pAdapterInfo->Index);
        printf("Type:");
        switch (pAdapterInfo->Type)
        {
        case MIB_IF_TYPE_OTHER:printf("Other\n"); break;
        case MIB_IF_TYPE_ETHERNET:printf("Ethernet\n"); break;
        case MIB_IF_TYPE_TOKENRING:printf("Token Ring\n"); break;
        case MIB_IF_TYPE_FDDI:printf("FDDI\n"); break;
        case MIB_IF_TYPE_PPP:printf("PPP\n"); break;
        case MIB_IF_TYPE_LOOPBACK:printf("Lookback\n"); break;
        case MIB_IF_TYPE_SLIP:printf("Slip\n"); break;
        default:printf("Unknow type %ld\n", pAdapterInfo->Type); break;
        }
        printf("IP Address:%s\n", pAdapterInfo->IpAddressList.IpAddress.String);
        printf("IP Mask:%s\n", pAdapterInfo->IpAddressList.IpMask.String);
        printf("Gateway:%s\n", pAdapterInfo->GatewayList.IpAddress.String);

        if (pAdapterInfo->DhcpEnabled)
        {
            printf("DHCP Enabled:Yes\n");
            printf("DHCP Server:%s\n", pAdapterInfo->DhcpServer.IpAddress.String);
            printf("Lease Obtained:");
            error = _localtime32_s(&newtime, (__time32_t*)&pAdapterInfo->LeaseObtained);
            if (error)
            {
                printf("Invalid Argument to _localtime32_s.\n");
            }
            else
            {
                error = asctime_s(szBuffer, 32, &newtime);
                if (error)
                {
                    printf("Invalid Argument to asctime_s.\n");
                }
                else
                {
                    printf("%s", szBuffer);
                }
            }

            printf("Lease Expires:");
            error = _localtime32_s(&newtime, (__time32_t*)&pAdapterInfo->LeaseExpires);
            if (error)
            {
                printf("Invalid Argument to _localtime32_s.\n");
            }
            else
            {
                error = asctime_s(szBuffer, 32, &newtime);
                if (error)
                {
                    printf("Invalid Argument to asctime_s.\n");
                }
                else
                {
                    printf("%s", szBuffer);
                }
            }
        }
        else
        {
            printf("DHCP Enabled:No\n");
        }

        if (pAdapterInfo->HaveWins)
        {
            printf("Have Wins:Yes\n");
            printf("Primary Wins Server:%s\n", pAdapterInfo->PrimaryWinsServer.IpAddress.String);
            printf("Secondary Wins Server:%s\n", pAdapterInfo->SecondaryWinsServer.IpAddress.String);
        }
        else
        {
            printf("Have Wins:No\n");
        }

        printf("=================================================================\n");

        pAdapterInfo = pAdapterInfo->Next;
    } while (pAdapterInfo);

    if (pAdapterInfo)
    {
        HeapFree(GetProcessHeap(), 0, pAdapterInfo);
    }

    return 0;
}