d_code           2431 net/zlib.c                    (ush)d_code(dist) < (ush)D_CODES,  "ct_tally: bad match");
d_code           2434 net/zlib.c             s->dyn_dtree[d_code(dist)].Freq++;
d_code           2490 net/zlib.c                 code = d_code(dist);