ref: c865961b4fbba0243c2f548e4373bb03d223d52f
dir: /lib/std/memops.myr/
use "types" pkg std = pkglocal extern const memblit : (dst : byte#, src : byte#, len : std.size -> void) pkglocal extern const memfill : (dst : byte#, val : byte, len : std.size -> void) ;;