在Windows中使用InterfaceByName获取网络接口名称

#include <iphlpapi.h>
#pragma comment(lib, "iphlpapi.lib")

std::string GetInterfaceName(DWORD interfaceIndex)
{
    std::string interfaceName;
    
    // 获取网络接口信息
    ULONG bufferSize = 0;
    if (GetIfEntry2(nullptr, &bufferSize) == ERROR_INSUFFICIENT_BUFFER)
    {
        MIB_IF_TABLE2* ifTable = (MIB_IF_TABLE2*)malloc(bufferSize);
        if (ifTable)
        {
            if (GetIfTable2(ifTable) == NO_ERROR)
            {
                // 遍历网络接口列表
                for (DWORD i = 0; i < ifTable->NumEntries; i++)
                {
                    MIB_IF_ROW2* ifRow = &ifTable->Table[i];
                    
                    // 判断接口索引是否匹配
                    if (ifRow->InterfaceIndex == interfaceIndex)
                    {
                        // 获取接口名称
                        interfaceName = ifRow->Alias;
                        break;
                    }
                }
            }
            
            free(ifTable);
        }
    }
    
    return interfaceName;
}

DWORD interfaceIndex = 1; // 网络接口索引
std::string interfaceName = GetInterfaceName(interfaceIndex);