if (!defined(ioctl($sock, SIOCGIFFLAGS, $ifreq))) {
warn "failed to get interface flags for: $ifname\n";
next;
}
my ($name, $flags) = unpack($STRUCT_IFREQ_SIOCGIFFLAGS, $ifreq);
if (!defined(ioctl($sock, SIOCGIFFLAGS, $ifreq))) {
warn "failed to get interface flags for: $ifname\n";
next;
}
my ($name, $flags) = unpack($STRUCT_IFREQ_SIOCGIFFLAGS, $ifreq);