Remove unimplemented System V options from the getopt() option string.
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@ -70,7 +70,7 @@ main(int argc, char *argv[])
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setlocale(LC_TIME, "");
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while ((ch = getopt(argc, argv, "HTabdlmpqrstu")) != -1) {
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while ((ch = getopt(argc, argv, "HTmqsu")) != -1) {
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switch (ch) {
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case 'H': /* Write column headings */
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Hflag = 1;
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