[Users] syntax for pointers from array in Cactus?

Hi. I'm having a compilation issue involving a Cactus array.

I'm trying to simplify my declarations & storage by declaring/assigning storage for an array called "dataslice" in my thorn's interface.ccl (numtheta & numphi are thorn parameters):

CCTK_REAL data_slices TYPE=ARRAY DISTRIB=CONSTANT DIM=3 SIZE=59,numtheta,numphi { dataslice }

In my C source file, I get the pointers from the 0th rank of this array, for passing into an interpolator:

CCTK_POINTER outputs[59]; for(m=0;m<59;m++){ outputs[m] = &dataslice[m][0][0]; }

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But during compilation, I get the error

error: expression must have pointer-to-object type outputs[m] = &dataslice[m][0][0];

Note that I *don't* get this error if I instead declare dataslice in the C file, as

CCTK_REAL dataslice[59][numtheta][numphi];

So it appears that the Cactus ARRAY is not quite the same type as the C array I was using before. Can anyone enlighten me as to how I should be handling the array?

Thanks,

Bernard