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* How to port from Iris to Windows                *
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add   
       #include <windows.h>
change 
       <glut.h> -> <gl/glut.h>
       <sys/time.h> -> <sys/timeb.h>
       
Comment out
       #include <device.h>
       #include "vssClient.h"

Change
       far -> wfar
       rad(x) -> radi(x)  where (x) is a number
       fsqrt -> sqrt
       fabsf -> abs
       random -> rand
       

Comment out
       The guts of Argument()
       in Main() the Switch statement for window selection