ref: 05666a778aae28f2f647f22ef566f041b5bf08c7
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) ;;