winpcap 枚举网卡设备Demo

#define HAVE_REMOTE
#include "pcap.h"
#include <list>
#include <iostream>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
    pcap_if_t* alldevs;
    list<pcap_if_t> devices;
char errbuf[PCAP_ERRBUF_SIZE];
//枚举本地计算机的网卡
    if(pcap_findalldevs_ex(PCAP_SRC_IF_STRING,NULL,&alldevs,errbuf)==-1)
    {
        fprintf(stderr,"err:%s/n",errbuf);
    }
//保存至链表
    while (alldevs!=NULL)
    {
        devices.push_back(*alldevs);
        alldevs=alldevs->next;
    }
//打印网卡信息
    for (list<pcap_if_t>::iterator iter=devices.begin();iter!=devices.end();++iter)
    {
        cout<<"device description:"<<iter->description<<endl;
    }
//释放设备
    pcap_freealldevs(alldevs);
return 0;
}