Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/tty/ttyGetChar.c

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/* Embedded XINU, Copyright (C) 2007.  All rights reserved. */

#include <kernel.h>
#include <device.h>
#include <tty.h>

devcall ttyGetChar(device *pdev)
{
        uchar ch;
        long  len;

        len = ttyRead(pdev, (char *)&ch, 1);
        /* Check for EOF or SYSERR */
        if (len < 0)
    { return len; }
        return ch;
}

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