{ "slice", required_argument, NULL, 'S' },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "process-label", required_argument, NULL, 'Z' },
{ "slice", required_argument, NULL, 'S' },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "process-label", required_argument, NULL, 'Z' },