REM run stream_d.c version ten times.
stream > C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
stream > crap
   copy C_stream.txt + crap C_stream.txt
del crap