/* Open tun device */
if( (tap_fd = open("/dev/net/tun", O_RDWR)) < 0 ) {
system("modprobe tun");
+ system("ln -sf /dev/net/tun /dev/stdtun");
if( (tap_fd = open("/dev/net/tun", O_RDWR)) < 0 ) {
perror("ERROR: tun_alloc():open(/dev/net/tun)");
exit(-1);