static inline ut64 r_read_le64(const void *src) {
	ut64 val = ((ut64)(r_read_at_le32 (src, sizeof (ut32)))) <<  32;
	val |= r_read_le32 (src);
	return val;
}
static inline ut64 r_read_le64(const void *src) {
	ut64 val = ((ut64)(r_read_at_le32 (src, sizeof (ut32)))) <<  32;
	val |= r_read_le32 (src);
	return val;
}