/* a nice consistent place to define how we turn a message id into a thread id hash */
#define ThreadIdHash(Buf) abs(HashLittle(ChrPtr(Buf), StrLength(Buf)))
+#define ThreadIdHashOffset(Buf, Offset) abs(HashLittle(ChrPtr(Buf) + Offset, StrLength(Buf)-Offset))
#ifdef __cplusplus
extern "C" {