In-memory compress

[V.S.Sunderam]

I am looking for the existence/availability of an "in-memory"
compression utility. I.e., I would like a subroutine equivalent of
compress(1) that takes a buffer and returns an compressed one.

If anyone knows of such a routine, I would appreciate pointers,
or actual code.

Thanks in advance

-- 
V.S.Sunderam        | vss at mathcs.emory.edu          PREFERRED
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