usbprint.h

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#define USBPRINT_IOCTL_INDEX  0x0000
 
#define IOCTL_USBPRINT_GET_LPT_STATUS \
                     CTL_CODE(FILE_DEVICE_UNKNOWN, USBPRINT_IOCTL_INDEX+12, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
#define IOCTL_USBPRINT_GET_1284_ID \
                     CTL_CODE(FILE_DEVICE_UNKNOWN, USBPRINT_IOCTL_INDEX+13, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
#define IOCTL_USBPRINT_VENDOR_SET_COMMAND \
                     CTL_CODE(FILE_DEVICE_UNKNOWN, USBPRINT_IOCTL_INDEX+14, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
#define IOCTL_USBPRINT_VENDOR_GET_COMMAND \
                      CTL_CODE(FILE_DEVICE_UNKNOWN, USBPRINT_IOCTL_INDEX+15, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
#define IOCTL_USBPRINT_SOFT_RESET \
                      CTL_CODE(FILE_DEVICE_UNKNOWN, USBPRINT_IOCTL_INDEX+16, METHOD_BUFFERED, FILE_ANY_ACCESS)