Function rcudnn_sys::cudnnGetRNNWorkspaceSize

pub unsafe extern "C" fn cudnnGetRNNWorkspaceSize(
    handle: cudnnHandle_t,
    rnnDesc: cudnnRNNDescriptor_t,
    seqLength: c_int,
    xDesc: *const cudnnTensorDescriptor_t,
    sizeInBytes: *mut usize
) -> cudnnStatus_t