Memory allocation/deallocation for tree? Any good way?

[Doug Gwyn]

In article <MCDANIEL.91Jan9102148 at dolphin.adi.com> mcdaniel at adi.com (Tim McDaniel) writes:
>A free() that did nothing would satisfy ANSI C, ...

Not strictly true, as the standard specifies that the storage is made
available for subsequent allocation.  However, there is no strictly
conforming way to test for this behavior.