ic implementation and handled appropriately. 
			If not supported, the call returns an error message.</P>
		<P style="mso-layout-grid-align: none">It may not always be possible to exactly 
			specify the address range of interest. If this is the case, it is important 
			that the user have some way to know what approximations have been made, so that 
			appropriate corrective action&nbsp;can be taken. For instance, to isolate a 
			specific data structure completely, it may be necessary to pad memory before