Index: kernel/generic/include/string.h
===================================================================
--- kernel/generic/include/string.h	(revision c3ebc47808497be5b06d4cc84b2406a50fbbc76f)
+++ kernel/generic/include/string.h	(revision 21a639b724c8a58de673456a26593c227ef7a0bf)
@@ -36,6 +36,7 @@
 #define KERN_STRING_H_
 
-#include <arch/types.h>
+#include <typedefs.h>
 
+extern wchar_t utf8_decode(const char *str, index_t *index);
 extern size_t strlen(const char *str);
 extern int strcmp(const char *src, const char *dst);