Compiling C++ modules

hi, I'm writing a module to interface CORBA objects using C++ Builder. My problem is that when I try to include php.h and other headers into my C++ source I get errors regarding the usage of 'extern' and not 'extern "C"'. I created the following solution: extern "C" { #include <php.h> ... } The problem is that some headers define functions/globals with extern only which seems to override my solution. Questions: 1. Why not change the headers to support C++ ? (I think 'extern "C"' should do). 2. Is there a fast solution to remedy this problem except of creating my own C source that would interface C-module to C++ code ? 3. Is there any reference for creating modules ? The documentation is OK but not enough. I'm trying to write the modules for PHP4... tnx, mike.