1. make examples callable from root dir
2. improve error message displayed to the user when cpp is not found by
parse_file
diff --git a/examples/func_calls.py b/examples/func_calls.py
index f79d47e..f8ff731 100644
--- a/examples/func_calls.py
+++ b/examples/func_calls.py
@@ -13,7 +13,7 @@
 # This is not required if you've installed pycparser into

 # your site-packages/ with setup.py

 #

-sys.path.insert(0, '..')

+sys.path.extend(['.', '..'])

 

 from pycparser import c_parser, c_ast, parse_file