I knew it didn't look right.

How about doing things the other way around. Take an alias for the CRT free() function prior to including XSUB.h?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^4: XS malloc and free (whose) by BrowserUk
in thread XS malloc and free by Brutha

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