standard interface to call a Python function. (I won't dwell on how to call the
Python parser with a particular string as input --- if you're interested, have a
look at the implementation of the :option:`-c` command line option in
-:file:`Python/pythonmain.c` from the Python source code.)
+:file:`Modules/main.c` from the Python source code.)
Calling a Python function is easy. First, the Python program must somehow pass
you the Python function object. You should provide a function (or some other