R_API ut8 r_buf_read8(RBuffer *b) {
	ut8 res;
	st64 r = r_buf_read (b, &res, sizeof (res));
	return r == sizeof (res)? res: b->Oxff_priv;
}
R_API ut8 r_buf_read8(RBuffer *b) {
	ut8 res;
	st64 r = r_buf_read (b, &res, sizeof (res));
	return r == sizeof (res)? res: b->Oxff_priv;
}