1 files changed, 2 insertions, 0 deletions
diff --git a/py/misc.h b/py/misc.h
index 7f3e83d8c6..013b5f123e 100644
--- a/py/misc.h
+++ b/py/misc.h
@@ -96,6 +96,8 @@ bool unichar_isalpha(unichar c);
 bool unichar_isprint(unichar c);
 bool unichar_isdigit(unichar c);
 bool unichar_isxdigit(unichar c);
+unichar unichar_tolower(unichar c);
+unichar unichar_toupper(unichar c);
 
 /** variable string *********************************************/