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/** Standard input character device. */
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/** Standard input character device. */
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chardev_t *stdin = NULL;
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chardev_t *stdin = NULL;
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chardev_t *stdout = NULL;
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chardev_t *stdout = NULL;
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/** Get character from character device.
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/** Get character from character device. Do not echo character.
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 *
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 *
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 * @param chardev Character device.
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 * @param chardev Character device.
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 *
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 *
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 * @return Character read.
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 * @return Character read.
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 */
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 */
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static __u8 _getc(chardev_t *chardev)
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__u8 _getc(chardev_t *chardev)
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{
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{
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    __u8 ch;
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    __u8 ch;
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    ipl_t ipl;
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    ipl_t ipl;
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    waitq_sleep(&chardev->wq);
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    waitq_sleep(&chardev->wq);