fn dirRealPathPosix(userdata: ?*anyopaque, dir: Dir, out_buffer: []u8) Dir.RealPathError!usize
fn dirRealPathPosix(userdata: ?*anyopaque, dir: Dir, out_buffer: []u8) Dir.RealPathError!usize { if (native_os == .wasi) return error.OperationUnsupported; const t: *Threaded = @ptrCast(@alignCast(userdata)); _ = t; return realPathPosix(dir.handle, out_buffer); }