_codeidx_t
bytes = (ncodes_used * sizeof(_codeidx_t)) + (nums_used * sizeof(_num_t));
fwrite((char *) ncodes, sizeof(_codeidx_t), ncodes_used, out);
static _codeidx_t *ncodes;
ncodes = (_codeidx_t *) malloc(sizeof(_codeidx_t) << 3);
ncodes = (_codeidx_t *)
realloc((char *) ncodes, sizeof(_codeidx_t) * (ncodes_size + 8));