#include <stdio.h>
#define PRINTX printf("%d\n",x)

void
main()
{
	int x=2, y, z;

	x  *= 3 + 2;     PRINTX;
	x  *= y = z = 4; PRINTX;
	x  = y == z;     PRINTX;
	x  == (y = z) ;    PRINTX; 
	
	/* (y = x) evaluates to (1),   without the parentheses you get error on compile 
	   error C2106: '=' : left operand must be l-value
     */

}