woops. dotn pass NULL
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@ -139,7 +139,7 @@ int wc_main(int argc, char **argv)
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}
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if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
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wc_file(stdin, NULL);
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wc_file(stdin, "");
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return EXIT_SUCCESS;
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} else {
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while (optind < argc) {
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