[plt-scheme] cptr?

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Tue Jul 2 18:31:20 EDT 2002

> I'm working on a C extension that returns a cptr to scheme.
> Scheme later uses the cptr in calls to the extension.
> [...]
> Is there a predicate for cptrness?

There's no such predicate. The intent is that an extension using cptr
would provide its own predicate(s).


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