diff --git a/include/utils/String16.h b/include/utils/String16.h
index 9a67c7a..9bb6f0d 100644
--- a/include/utils/String16.h
+++ b/include/utils/String16.h
@@ -90,7 +90,9 @@
 
             bool                startsWith(const String16& prefix) const;
             bool                startsWith(const char16_t* prefix) const;
-            
+
+            bool                contains(const char16_t* chrs) const;
+
             status_t            makeLower();
 
             status_t            replaceAll(char16_t replaceThis,
diff --git a/include/utils/Unicode.h b/include/utils/Unicode.h
index b76a5e2..a006082 100644
--- a/include/utils/Unicode.h
+++ b/include/utils/Unicode.h
@@ -29,6 +29,7 @@
 size_t strnlen16(const char16_t *, size_t);
 char16_t *strcpy16(char16_t *, const char16_t *);
 char16_t *strncpy16(char16_t *, const char16_t *, size_t);
+char16_t *strstr16(const char16_t*, const char16_t*);
 
 // Version of comparison that supports embedded nulls.
 // This is different than strncmp() because we don't stop