Thanks for so detailed an answer ! A few followup questions:
  1. How do you dump a DLL in such way ? I want to examine mine and see if there's name mangling.
  2. My DLL has no DEF file with it (it has a LIB file for linking from C++) and its .h file just places WINAPI as I demonstrated, so I guess I can't know which compiler options were enabled. Though I'm pretty sure it was compiled with a MS compiler.
  3. So is there a chance to successfully call functions from the DLL if it was compiled with _cdecl ?
  4. I get a segfault when I declare the arguments / return value as SHORT, but don't get it when I declare them INT. How can this be affected by what you described ?
  5. Finally: will all the same problems surface using an XS wrapper for the DLL ?
Thanks in advance.

In reply to Re^2: Win32::API and 'short' arguments by spurperl
in thread Win32::API and 'short' arguments by spurperl

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