// usbscan.h
typedef struct _DRV_VERSION {
unsigned major;
unsigned minor;
unsigned internal;
} DRV_VERSION, *PDRV_VERSION;
View the official Windows Driver Kit DDI referenceNo description available.
The DRV_VERSION structure is used as a parameter to DeviceIoControl, when the specified I/O control code is IOCTL_GET_VERSION.
majorMajor version number.
minorMinor version number.
internalInternal, vendor-specific version number.