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uart.h

/*
 * ----------------------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * <joerg@FreeBSD.ORG> wrote this file.  As long as you retain this notice you
 * can do whatever you want with this stuff. If we meet some day, and you think
 * this stuff is worth it, you can buy me a beer in return.        Joerg Wunsch
 * ----------------------------------------------------------------------------
 *
 * Stdio demo, UART declarations
 *
 * $Id$
 */

/*
 * Perform UART startup initialization.
 */
void    uart_init(void);

/*
 * Send one character to the UART.
 */
int uart_putchar(char c, FILE *stream);

/*
 * Size of internal line buffer used by uart_getchar().
 */
#define RX_BUFSIZE 80

/*
 * Receive one character from the UART.  The actual reception is
 * line-buffered, and one character is returned from the buffer at
 * each invokation.
 */
int uart_getchar(FILE *stream);

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