static inline ut64 r_read_be64(const void *src) {
	ut64 val = ((ut64)(r_read_be32 (src))) << 32;
	val |= r_read_at_be32 (src, sizeof (ut32));
	return val;
}
static inline ut64 r_read_be64(const void *src) {
	ut64 val = ((ut64)(r_read_be32 (src))) << 32;
	val |= r_read_at_be32 (src, sizeof (ut32));
	return val;
}