BS>> the number of bytes contained in the Increment parameter and
BS>> changes the amount of available space accordingly. The Increment
BS>> parameter can be a negative number, in which case the amount of
BS>> available space is decreased."

Theoretically, you are right. Practically, you need first to clean that
memory (i.e., not have malloc-ed blocks there), otherwise it would just
drop dead. Given that standard malloc/free combo doesn't give you _any_
control on where blocks are allocated, you'll have hard time freeing top
of your heep unless you free totally everything. If you really need that,
use custom allocator.

-- 
Stanislav Malyshev, Zend Products Engineer
[EMAIL PROTECTED]  http://www.zend.com/ +972-3-6139665 ext.115



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