C
	/* this is the only kind of comment */
	

	f() {
		int x, y, z;
		int w = 13;
		int a = w + (int)sqrt(x);
		int b;

		/* above this, every line is a variable declaration
		 * below this, no line is a variable declaration */
		
		x = 15;
		y = 23 + x;
		int i = 0; /* illegal */
		for(int i = 0; ...) /* also illegal */
			
			
	}