1 files changed, 2 insertions, 0 deletions

diff --git a/src/charset.h b/src/charset.h
index b8ee0af40f7..7cc0931f162 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -786,6 +786,8 @@ extern int get_charset_id P_ ((Lisp_Object));
 extern int find_charset_in_text P_ ((unsigned char *, int, int, int *,
                                     Lisp_Object));
 extern int strwidth P_ ((unsigned char *, int));
+extern int c_string_width P_ ((unsigned char *, int, int, int *, int *));
+extern int lisp_string_width P_ ((Lisp_Object, int, int *, int *));
 extern int char_bytes P_ ((int));
 extern int char_valid_p P_ ((int, int));