{ "silent", no_argument, 0, CMD_SILENT },
{ "ip", required_argument, 0, CMD_IP },
{ "bcast", required_argument, 0, CMD_BCAST },
{ "silent", no_argument, 0, CMD_SILENT },
{ "ip", required_argument, 0, CMD_IP },
{ "bcast", required_argument, 0, CMD_BCAST },