![]() In Win32 systems, control is exercised through the DeviceIoControl() API function, in UNIX-like systems, using ioctl(). For example, for SCSI devices, you can send a GET_INQUIRY command to get a device description. Using this interface, the program can send a special command that this device supports. ![]() Often the driver supports an input-output interface specific to the device.
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December 2022
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