ref: fe0c54bda8e70766480784336fc881567620410e
dir: /lib/sys/systypes.myr/
pkg sys = type size = int64 /* spans entire address space */ type usize = uint64 /* unsigned size */ type off = int64 /* file offsets */ type intptr = uint64/* can hold any pointer losslessly */ type time = int64 /* milliseconds since epoch */ ;;