#include "old.h" #include "oldClass.h" oldClass z; void proxy(int x) { /* We are compiled with an old an incompatible compiler version :-) * Here we get values from a file compiled with the new compiler * We can only receive C data types, but we can use C++ objects to fill * them */ z.oldadd(x); } int result() { return (z.olddata[0]+z.olddata[1]); }