lib/std/os.zig              |  1 +
 lib/std/os/plan9.zig        | 89 +++++++++++++++++++++++++++++++-
 lib/std/os/plan9/errno.zig  | 76 +++++++++++++++++++++++++++
 lib/std/os/plan9/x86_64.zig |  2 +-
 lib/std/start.zig           |  1 -
 5 files changed, 166 insertions(+), 3 deletions(-)