There is perlguts, perlapi, perlxs, and illguts, for starters. There's also this, but I am less familiar with it.

Though it's not online (AFAIK), I found Extending and Embedding Perl easier to follow than any of the above.

the lowliest monk

In reply to Re: Information on Perl Internals for a lost pilgrim... by tlm
in thread Information on Perl Internals for a lost pilgrim... by monsieur_champs

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