// Copyright 2013 The Emscripten Authors.  All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License.  Both these licenses can be
// found in the LICENSE file.

int state = 0;

extern "C" {

void one() {
  state++;
}

int two() {
  return state;
}

}

