code: def quote_cxxstring(s):
      subs = (
          ("\\", "\\\\"),
          ("\n", "\\n"),
          ("\r", "\\r"),
          ('"', '\\"'),
      )
      quoted = s
      for f, t in subs:
          quoted = quoted.replace(f, t)
      return quoted
  
imports: import gast
  from pythran.tables import MODULES
  from pythran.conversion import mangle, demangle
  from functools import reduce
  from contextlib import contextmanager
label_desc: Use image node_id 15 for calling a global function with example usage: quote_cxxstring(s) and returns: quoted