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/* if(ret == 0), then the only sensible thing to do is to retry to
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will print that later, so no need to show this too. */
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fprintf(stderr, "getline() returned 0, retrying.\n");
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fprintf(stderr, "Restoring terminal attributes\n");
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perror("tcsetattr+echo");
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fprintf(stderr, "%s is exiting with status %d\n", argv[0],