usage(sys.stderr)
sys.exit(1)
target, method, url, rest = args
-scheme = os.getenv("HTTP_X_ASH_PROTOCOL")
-host = os.getenv("HTTP_HOST")
+scheme = os.getenv("REQ_X_ASH_PROTOCOL")
+host = os.getenv("REQ_HOST")
me = url
if me[-len(rest):] == rest:
me = me[:-len(rest)]