ref: 5a7ad6eb2cb497076f909e54e14d42f65eb89ff9
dir: /lib/std/memops.myr/
use "types" pkg std = pkglocal extern const memblit : (src : byte#, dst : byte#, len : std.size -> void) pkglocal extern const memfill : (src : byte#, val : byte, len : std.size -> void) ;;