Index: src/libchcore/TOverlappedDataBuffer.h
===================================================================
diff -u -N -re0588f4598dea526e0869360a0f5ee278e7902a0 -r3ccbdb8d3eac3427e6d3354854476e57fdc7ceb9
--- src/libchcore/TOverlappedDataBuffer.h	(.../TOverlappedDataBuffer.h)	(revision e0588f4598dea526e0869360a0f5ee278e7902a0)
+++ src/libchcore/TOverlappedDataBuffer.h	(.../TOverlappedDataBuffer.h)	(revision 3ccbdb8d3eac3427e6d3354854476e57fdc7ceb9)
@@ -25,6 +25,13 @@
 
 namespace chcore
 {
+	class TOverlappedDataBuffer;
+
+	struct CompareBufferPositions
+	{
+		bool operator()(const TOverlappedDataBuffer* rBufferA, const TOverlappedDataBuffer* rBufferB) const;
+	};
+
 	class TOverlappedDataBuffer : public OVERLAPPED
 	{
 	public: