11719Szelenkov@nginx.comdef application(environ, start_response):
21719Szelenkov@nginx.com
31719Szelenkov@nginx.com    h = (k for k, v in environ.items() if k.startswith('HTTP_'))
41719Szelenkov@nginx.com
5*1848Szelenkov@nginx.com    start_response(
6*1848Szelenkov@nginx.com        '200', [('Content-Length', '0'), ('All-Headers', ','.join(h))]
7*1848Szelenkov@nginx.com    )
81719Szelenkov@nginx.com    return []
9