Aaeon NanoCOM-U15 Manual page 43

C O M E x p r e s s M o d u l e
}
}
exit(0);
case '0':
printf("exit program \n");
break;
case '1':
functionA();
break;
case '2':
functionB();
break;
case '3':
functionC();
break;
case '4':
functionD();
break;
Appendix A Programming the Watchdog Timer A-5
N a n o C O M - U 1 5