static int qcow2_change_backing_file(BlockDriverState *bs,

    const char *backing_file, const char *backing_fmt)

{

    return qcow2_update_ext_header(bs, backing_file, backing_fmt);

}

static int qcow2_change_backing_file(BlockDriverState *bs,

    const char *backing_file, const char *backing_fmt)

{

    return qcow2_update_ext_header(bs, backing_file, backing_fmt);

}

    const char *backing_file, const char *backing_fmt)     return qcow2_update_ext_header(bs, backing_file, backing_fmt);
static int FUNC_0(BlockDriverState *VAR_0,

    const char *VAR_1, const char *VAR_2)

{

    return qcow2_update_ext_header(VAR_0, VAR_1, VAR_2);

}

static int FUNC_0(BlockDriverState *VAR_0,
const char *VAR_1, const char *VAR_2)
{ return qcow2_update_ext_header(VAR_0, VAR_1, VAR_2); }