+extern CFStringRef cfstring_create_with_string P_ ((Lisp_Object));
+extern Lisp_Object cfdata_to_lisp P_ ((CFDataRef));
+extern Lisp_Object cfstring_to_lisp P_ ((CFStringRef));
+extern Lisp_Object cfnumber_to_lisp P_ ((CFNumberRef));
+extern Lisp_Object cfdate_to_lisp P_ ((CFDateRef));
+extern Lisp_Object cfboolean_to_lisp P_ ((CFBooleanRef));
+extern Lisp_Object cfobject_desc_to_lisp P_ ((CFTypeRef));
+extern Lisp_Object cfproperty_list_to_lisp P_ ((CFPropertyListRef, int, int));