ccess the memory indicated by a handle, they pass the handle to the memory manager and are returned the segment address of the block's current location on the heap.</P>
<P>
In addition to storing the actual address of the block, the handle table entry records the block's attributes, such as whether the block is discardable, swapable, or fixed. The memory manager uses all these attributes to manipulate the block.</P>


<H2 CLASS="HeadingC">
Enabling Block Access</H2>
<P>
Dynamic memory, while providing signi