SIOCGIFHWADDR
case SIOCGIFHWADDR:
case SIOCGIFHWADDR:
case SIOCGIFHWADDR:
case SIOCGIFHWADDR:
case SIOCGIFHWADDR:
r = ioctl(fd, SIOCGIFHWADDR, &ifr);
e = ioctl(fd, SIOCGIFHWADDR, &ifr);