#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)