//make a library of that with "root -q Helper.C+" //load inside macros with gSystem->Load("Helper_C.so") #include #include #ifdef __MAKECINT__ #pragma link C++ class vector+; #pragma link C++ class vector+; #pragma link C++ class vector+; #pragma link C++ class vector+; #pragma link C++ class vector >+; #pragma link C++ class vector >+; #pragma link C++ class map+; #pragma link C++ class map+; #pragma link C++ class map+; #pragma link C++ class map >+; #endif void Helper(){return;}