lib/std/fs/Dir.zig     | 29 +++++++++---
 lib/std/fs/test.zig    | 20 +++++++++
 lib/std/os/windows.zig | 75 +++++++++++++-------------------
 lib/std/posix.zig      | 60 +++++++++++++++++++------
 4 files changed, 119 insertions(+), 65 deletions(-)