43     printf("-p 1: Switch to host\n");  in PrintHelp()
44     printf("-p 2: Switch to device:\n");  in PrintHelp()
46     printf("-f 1: Switch to function:acm\n");  in PrintHelp()
47     printf("-f 2: Switch to function:ecm\n");  in PrintHelp()
48     printf("-f 3: Switch to function:acm&ecm\n");  in PrintHelp()
49     printf("-f 4: Switch to function:hdc\n");  in PrintHelp()
50     printf("-f 5: Switch to function:acm&hdc\n");  in PrintHelp()
51     printf("-f 6: Switch to function:ecm&hdc\n");  in PrintHelp()
52     printf("-f 8: Switch to function:mtp\n");  in PrintHelp()
53     printf("-f 16: Switch to function:ptp\n");  in PrintHelp()
54     printf("-f 32: Switch to function:rndis\n");  in PrintHelp()
55     printf("-f 512: Switch to function:storage\n");  in PrintHelp()
56     printf("-f 36: Switch to function:rndis&hdc\n");  in PrintHelp()
57     printf("-f 516: Switch to function:storage&hdc\n");  in PrintHelp()
58     printf("-c 1: Switch to recv braodcast\n");  in PrintHelp()
131     switch (mode) {  in FunctionSwitch()
164     switch (mode) {  in PortSwitch()
231     switch (mode) {  in DeviceStatus()
250     switch (mode) {  in SetProxy()