lib/std/fs/Dir.zig     |   3 +
 lib/std/posix.zig      |  13 ++--
 lib/std/posix/test.zig |   9 +++
 lib/std/unicode.zig    | 116 +++++++++++++++++++++++++-------
 4 files changed, 112 insertions(+), 29 deletions(-)