@@ -30,7 +30,7 @@ main(int argc, char *argv[])
eprintf("usage: %s [-b mode] [-i increment] [-s separator] [file...]\n", argv[0]);
break;
case 'i':
incr = strnum(optarg, 0);
incr = estrtol(optarg, 0);
case 's':
sep = optarg;
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