- {"bytes", required_argument, 0, 'b'},
- {"characters", required_argument, 0, 'c'},
- {"fields", required_argument, 0, 'f'},
- {"delimiter", required_argument, 0, 'd'},
- {"only-delimited", no_argument, 0, 's'},
- {"output-delimiter", required_argument, 0, OUTPUT_DELIMITER_OPTION},
+ {"bytes", required_argument, NULL, 'b'},
+ {"characters", required_argument, NULL, 'c'},
+ {"fields", required_argument, NULL, 'f'},
+ {"delimiter", required_argument, NULL, 'd'},
+ {"only-delimited", no_argument, NULL, 's'},
+ {"output-delimiter", required_argument, NULL, OUTPUT_DELIMITER_OPTION},
+ {"complement", no_argument, NULL, COMPLEMENT_OPTION},