OpenProtocolByHandle
status = OpenProtocolByHandle(loaderhandle, &LoadedImageGUID,
status = OpenProtocolByHandle(IH, &LoadedImageGUID, (void **)&img);
status = OpenProtocolByHandle(img->DeviceHandle,
status = OpenProtocolByHandle(h, &DevicePathGUID, (void **)&devpath);
status = OpenProtocolByHandle(h, &BlockIoProtocolGUID, (void **)&blkio);
status = OpenProtocolByHandle(h, &DevicePathGUID, (void **)&devpath);
status = OpenProtocolByHandle(h, &BlockIoProtocolGUID, (void **)&blkio);
EFI_STATUS OpenProtocolByHandle(EFI_HANDLE, EFI_GUID *, void **);
status = OpenProtocolByHandle(handle, &ImageDevicePathGUID,
status = OpenProtocolByHandle(handle, &DevicePathGUID,
status = OpenProtocolByHandle(h, &sn_guid, (void **)&nif->nif_devdata);
status = OpenProtocolByHandle(hin[i], &blkio_guid,
status = OpenProtocolByHandle(h, &blkio_guid, (void **)&blkio);
status = OpenProtocolByHandle(pd->pd_handle, &blkio_guid,
status = OpenProtocolByHandle(IH, &image_protocol, (void**)&img);
status = OpenProtocolByHandle(*hp, &pciio_guid,
status = OpenProtocolByHandle(hlist[i], &gop_guid,
status = OpenProtocolByHandle(hlist[i], &conout_guid,
(void) OpenProtocolByHandle(IH, &imgid, (void **)&boot_img);
rv = OpenProtocolByHandle(boot_img->DeviceHandle, &devid,
status = OpenProtocolByHandle(*walker, &devid, (void **)&path);
status = OpenProtocolByHandle(loaderhandle, &LoadedImageGUID,