CMakeLists.txt           |   3 +-
 ci/travis_osx_script     |   4 +-
 src/link.cpp             |   4 +
 std/c/darwin.zig         |   2 +
 std/c/index.zig          |   1 -
 std/c/linux.zig          |   2 +
 std/io.zig               |  45 +++---
 std/net.zig              |  31 ++--
 std/os/child_process.zig |   9 +-
 std/os/darwin.zig        |   2 +
 std/os/darwin_errno.zig  | 142 +++++++++++++++++
 std/os/errno.zig         | 146 -----------------
 std/os/index.zig         | 267 ++++++++++++++++----------------
 std/os/linux.zig         |   2 +-
 std/os/linux_errno.zig   | 146 +++++++++++++++++
 std/special/builtin.zig  |   9 +-
 test/cases/switch.zig    |   6 +-
 17 files changed, 488 insertions(+), 333 deletions(-)