ref: 49fa88c18b94c425e6f86beacbf8752f7564b7f3
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) ;;