{(OPTIONSTRING)"flag", no_argument, &opt_displayflag, OPT_FLAG},
{(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
{(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
{(OPTIONSTRING)"flag", no_argument, &opt_displayflag, OPT_FLAG},
{(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
{(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},