lib/std/fs.zig         | 104 ++++++++++++++++----------------
 lib/std/fs/file.zig    |  91 ++++++++++++++++++++++++++++
 lib/std/os.zig         |  70 +++++++++++++--------
 lib/std/os/test.zig    |  66 +++-----------------
 lib/std/os/windows.zig |  71 +++++++++++++++++++---
 5 files changed, 259 insertions(+), 143 deletions(-)