testvnet1.c

嵌入式系统的网络仿真

//
//test open device file /dev/net/vnet
//
#include <net/if.h>
//#include <linux/if_tun.h>
#include <sys/ioctl.h>

void main(void){

int tapif_fd;
struct ifreq ifr;
char buf[1024];

tapif_fd = open("/dev/net/vnet", 2);
if(tapif_fd<0){ 
	perror("open");exit(-1);
};
printf("open vnet ok!\n");

}