Copy ctypes-0.9.9.4 sources from external into the trunk.
diff --git a/Modules/_ctypes/_ctypes_test.h b/Modules/_ctypes/_ctypes_test.h
new file mode 100644
index 0000000..060d4d6
--- /dev/null
+++ b/Modules/_ctypes/_ctypes_test.h
@@ -0,0 +1 @@
+extern int _testfunc_i_bhilfd(char b, short h, int i, long l, float f, double d);