diff --git a/src/thread.h b/src/thread.h
index a8d0812..8a0c1af 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -679,6 +679,9 @@
   bool (*pCmpgFloat)(float, float);
   bool (*pCmplDouble)(double, double);
   bool (*pCmpgDouble)(double, double);
+  int (*pIndexOf)(void*, uint32_t, uint32_t, uint32_t);
+  int (*pStringCompareTo)(void*, void*);
+  int (*pMemcmp16)(void*, void*, int32_t);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Thread);