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#include <inttypes.h>

#include <bios.h>

static int app_putchar(char c, FILE *stream);

static int app_getchar(FILE *stream);

static FILE mystdio = FDEV_SETUP_STREAM(app_putchar, app_getchar,

                                         _FDEV_SETUP_RW);

static int app_putchar(char c, FILE *stream) {

    return bios->put_char(c, stream);

}

static int app_getchar(FILE *stream) {

    return bios->get_char(stream);

}

int main(void)

{

    unsigned ver;

    ver = bios->version();

    stdout = &mystdio;

    stdin = &mystdio;

    printf("AVR Test Application\n");

    printf("Using AVR BIOS version %x\n", ver);

    return ver;

}