[COFF] [TUHS] Maximum Array Sizes in 16 bit C

[Douglas McIlroy]

A summary of a couple of longer posts.

Ralph Corderoy and I used different C syntax than to access an MxN array A,
whose subscripts begin at M0 and N0 in the respective dimensions. Here's a
somewhat simplified version of both. In our examples, M0 and M0 were
negative.

Mine:
int base[M][N];
#define A(i,j) base[i-M0][j-N0]

Ralph's
int base[M][N];
int (*A)[N] = (int(*)[N])&base[-M0][-N0];

In my scheme element references must be written A(i,j). Ralph retains C
array syntax, A[i][j].

Doug
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