Shared Lib Question (ISC)

[John F Haugh II]

In article <kre.673798776 at mundamutti.cs.mu.OZ.AU> kre at cs.mu.oz.au (Robert Elz) writes:
>jfh at rpp386.cactus.org (John F Haugh II) writes:
>>Were the code in the C library pure, shared libraries would
>>be extremely simple to implement.
>
>True, they'd also be close to useless.

Would you care to elaborate on this point?  Name a single library function
which cannot be implemented well without global variables.  Justify your
answer.
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