lib/std/fs.zig           | 33 +++++++++----------------
 lib/std/fs/file.zig      | 42 +++++++++++++++++++++++++-------
 lib/std/io/in_stream.zig |  5 +---
 lib/std/os/test.zig      | 32 +++++++++++++++++++++---
 4 files changed, 75 insertions(+), 37 deletions(-)