Why would you want to know the address of the environment variable? In any case, if you read perlguts you can see that any perl variable is implemented as a pointer to a generalized struct, so it shouldn't be too hard to get that pointer from XS code. Devel::Peek might also be useful.

updated: s/perlxs/perlguts/;

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^3: Finding stack addresses by Joost
in thread Finding stack addresses by perianmellon

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