Function cuExternalMemoryGetMappedMipmappedArray 

pub unsafe fn cuExternalMemoryGetMappedMipmappedArray(
    mipmap: *mut *mut CUmipmappedArray_st,
    extMem: *mut CUextMemory_st,
    mipmapDesc: *const CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC_st,
) -> cudaError_enum