public static extern int sio_term_irq(int port, termCALLBACK pfn, char code);
public static extern int sio_term_irq(int port, termCALLBACK pfn, char code);
public static extern int sio_term_irq(int port, termCALLBACK pfn, char code);
public static extern int sio_term_irq(int port, termCALLBACK pfn, char code);