sorry, it should be
module A
extern (Windows):
uint P_Start(char * pParam);
void P_Stop();
module B
import A;
class XXX {
public:
this() {}
uint start(char *yy) {
return P_Start(yy);
}
void start(char *yy) {
P_Stop();
}
}
module C
import B;
XXX tester = new XXX();