转载请注明原文链接，http://www.cnblogs.com/flyingcloude/p/6992205.html

#include <stdio.h>
#include <pcap.h>

int main(void)
{
 pcap_if_t *alldevs;
 pcap_if_t *d;
 int i = 0;
 char errbuf[PCAP_ERRBUF_SIZE];

 /*获取本地机器设备列表*/
 if(pcap_findalldevs(&alldevs, errbuf) == -1)
 {
  fprintf(stderr, "Error in pcap_findalldevs_ex: %s\n", errbuf);
  exit(1);
 }

 /*打印列表*/
 for(d = alldevs; d != NULL; d = d->next)
 {
  printf("%d. %s", ++i, d->name);
  if(d->description)
   printf(" (%s)\n", d->description);
  else
   printf(" (No description available) \n");
 }

 if(i == 0)
 {
  printf("\nNo interfaces found! Make sure WinPcap is installed.\n");
  return;
 }

 /*不再需要设备列表了，释放它 */
 pcap_freealldevs(alldevs);
}

转载请注明原文链接，http://www.cnblogs.com/flyingcloude/p/6992205.html

winpcap获取设备列表