@@ -22,10 +22,12 @@
 	OF_STRING_ENCODING_WINDOWS_1252
 };
 
 extern int of_string_check_utf8(const char*, size_t);
 extern size_t of_string_unicode_to_utf8(uint32_t, char*);
+extern size_t of_string_position_to_index(const char*, size_t);
+extern size_t of_string_index_to_position(const char*, size_t, size_t);
 
 /**
  * A class for managing strings.
  */
 @interface OFString: OFObject <OFCopying, OFMutableCopying>