pub unsafe extern "C" fn cudaImportExternalMemory(
extMem_out: *mut cudaExternalMemory_t,
memHandleDesc: *const cudaExternalMemoryHandleDesc,
) -> cudaError_t
pub unsafe extern "C" fn cudaImportExternalMemory(
extMem_out: *mut cudaExternalMemory_t,
memHandleDesc: *const cudaExternalMemoryHandleDesc,
) -> cudaError_t