42     qr_u64 rc;  in udiv64()  local
44         rc.quotient = (uint64_t)-1; // todo check this  in udiv64()
45         rc.remainder = a;  in udiv64()
47         rc.quotient = a/b;  in udiv64()
48         rc.remainder = a%b;  in udiv64()
50     return rc;  in udiv64()
55     qr_s64 rc;  in div64()  local
57         rc.quotient = (uint64_t)(-__sign_of_64(a));  in div64()
58         rc.remainder = a;  in div64()
60         rc.quotient = a/b;  in div64()
61         rc.remainder = a%b;  in div64()
63     return rc;  in div64()