Looking at rafl's explanation, I think I find it much simpler to avoid the char** typemapping altogether, and pass the argument from perl to C as an AV* rather than a char**

Here's a self-contained ultra-simplistic example (plagiarised from "Extending and Embedding Perl"): 
 
use warnings;
use Inline C => Config =>
 BUILD_NOISY => 1;


use Inline C => <<'EOC';

void foo(AV * avref) {
  int i, len;
  SV ** elem;

  len = av_len(avref) + 1;

  for(i = 0; i < len; i++) {
     elem = av_fetch(avref, i, 0);
     printf("%s\n", SvPV_nolen(*elem));
  }
}

EOC

@strings = (
 'hello',
 'a string',
 'another string',
 'bye',
);

foo (\@strings);

[download]
Not sure if that helps at all ... I concede that it certainly doesn't answer the question you asked :-)

Cheers,
Rob

In reply to Re: char ** typemap in perlxs by syphilis
in thread char ** typemap in perlxs by Temeschwarrior

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