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