-/*******************************************************************
-find the difference in milliseconds between two struct timeval
-values
-********************************************************************/
-
-#define TvalDiff(tvalold,tvalnew) \
- (((tvalnew)->tv_sec - (tvalold)->tv_sec)*1000 + \
- ((int)(tvalnew)->tv_usec - (int)(tvalold)->tv_usec)/1000)
-