static inline void r_write_le64(void *dest, ut64 val) {
	r_write_le32 (dest, val >> 0);
	r_write_at_le32 (dest, val >> 32, sizeof (ut32));
}
static inline void r_write_le64(void *dest, ut64 val) {
	r_write_le32 (dest, val >> 0);
	r_write_at_le32 (dest, val >> 32, sizeof (ut32));
}