l heap.
Memory is acquired from UNIX so that the free space does not go 
below this ratio. The default value 0.25 means that 25% of free space is
maintained at every GC.
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="21961"></A>
<B>sys:reclaim</B> <EM>object </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
relinquishes <EM>object</EM> as a garbage.
It must be guaranteed that it is no longer referenced from any other objects.
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="21972"></A>
<B>sys:reclaim-tree</B> <EM>object </EM>[function]
