I'm trying to convert some C++ utilities I wrote to C so I can use
straight GTK+.  My problem is, I have classes which dynamically allocate
memory.  I can change the classes to structs, but if I have a function
which returns such a struct, how do I free the memory without a
destructor?  It seems I need to make the pair free and return atomic, but
I can't think of how to lock the whole heap.
I realize I can probably kludge the whole thing by using gcc support for
variable length arrays, but I'ld rather know what I'm doing.
Thanks,
Carl

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