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< __FBSDID("$FreeBSD: head/sys/kern/tty_pty.c 130585 2004-06-16 09:47:26Z phk $");
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> __FBSDID("$FreeBSD: head/sys/kern/tty_pty.c 130640 2004-06-17 17:16:53Z phk $");
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< return (NODEV);
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> return (NULL);
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< if (*dev != NODEV)
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> if (*dev != NULL)