ref: e989bbf2b6d71c6ce9f9bb438f31097110fff1d6
dir: /lib/std/memops.myr/
use "types.use" 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) ;;