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-rw-r--r--include/charset.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/charset.h b/include/charset.h
index 90870513efc..686db5a1fe1 100644
--- a/include/charset.h
+++ b/include/charset.h
@@ -143,6 +143,22 @@ int utf16_utf8_strncpy(char **dst, const u16 *src, size_t count);
#define utf16_utf8_strcpy(d, s) utf16_utf8_strncpy((d), (s), SIZE_MAX)
/**
+ * utf_to_lower() - convert a Unicode letter to lower case
+ *
+ * @code: letter to convert
+ * Return: lower case letter or unchanged letter
+ */
+s32 utf_to_lower(const s32 code);
+
+/**
+ * utf_to_upper() - convert a Unicode letter to upper case
+ *
+ * @code: letter to convert
+ * Return: upper case letter or unchanged letter
+ */
+s32 utf_to_upper(const s32 code);
+
+/**
* u16_strlen - count non-zero words
*
* This function matches wsclen() if the -fshort-wchar compiler flag is set.