/*************************************************************************
	> File Name : demo1.c
	> Author : TL Song
	> EMail : songtianlun@frytea.com
	> Created Time : Thu Feb 18 16:25:53 2021
 ************************************************************************/

#include <pcap.h>
#include <stdio.h>
 
int main()
{
  char errBuf[PCAP_ERRBUF_SIZE], * device;
  
  device = pcap_lookupdev(errBuf);
  
  if(device)
  {
    printf("success: device: %s\n", device);
  }
  else
  {
    printf("error: %s\n", errBuf);
  }
  
  return 0;
}