public static extern CUResult cuMemcpy2DAsync_v2(ref CUDAMemCpy2D pCopy, CUstream hStream);
public static extern CUResult cuMemcpy2DUnaligned_v2(ref CUDAMemCpy2D pCopy);
public static extern CUResult cuMemcpy2DAsync_v2(ref CUDAMemCpy2D pCopy, CUstream hStream);
public static extern CUResult cuMemcpy2DUnaligned_v2(ref CUDAMemCpy2D pCopy);