Index: lib/Headers/intrin.h
===================================================================
--- lib/Headers/intrin.h
+++ lib/Headers/intrin.h
@@ -563,6 +563,10 @@
 long _InterlockedAdd(long volatile *Addend, long Value);
 int _ReadStatusReg(int);
 void _WriteStatusReg(int, int);
+unsigned short _byteswap_ushort (unsigned short val);
+unsigned long _byteswap_ulong (unsigned long val);
+unsigned __int64 _byteswap_uint64 (unsigned __int64 val);
+void __nop();
 #endif
 
 /*----------------------------------------------------------------------------*\