CMakeLists.txt          |   2 +-
 std/c/darwin.zig        |   2 +-
 std/os/darwin.zig       |  88 ++++++++-
 std/os/darwin/errno.zig | 328 ++++++++++++++++++++++++++++++++
 std/os/darwin_errno.zig | 328 --------------------------------
 std/os/index.zig        |   2 +-
 6 files changed, 418 insertions(+), 332 deletions(-)