small code shrink
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@ -56,12 +56,11 @@ int microcom_main(int argc, char **argv)
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}
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// open device
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sfd = open(argv[0], O_RDWR | O_NDELAY);
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sfd = open(argv[0], O_RDWR);
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if (sfd < 0) {
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bb_perror_msg("can't open device");
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goto unlock_and_exit;
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}
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fcntl(sfd, F_SETFL, O_RDWR); // why?
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// put stdin to "raw mode", handle one character at a time
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tcgetattr(STDIN_FILENO, &tio0);
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