im still scared of it. However, i did find that with the following
Code:
 
int a[2][5], b[3][6], c[4][2];
int aSize = sizeof *a / **a, bSize = *b / **b,  cSize = *c / **c;

printf("%d, %d, %d\n", aSize, bSize, cSize);
gave me an output of 5, 6, 2
so i assume that is correct.