[Pharo-users] FFI basics..

* How does FFI work for passing a char* argument that gets modified in the invoked module char* ctest ( char* test , char** test2) { test = "Modify this argument"; // loop and fill in data into test2 and return.. return "something else"; } ctest: test <cdecl: char* 'ctest' ( char* , long ) module: 'libctest'> So invoking this with say ExternalAddress allocate: **, gives us the values as modified by the module.. and be converted as required into ByteArray for the second