bscret
if (build_strings(&slstringsize, &slstring, &bscret.buf[bscret.string],
&slcvtsize, 0, &slcvt, &sldim, bscret.d_len,
&bscret.buf[bscret.lwords], &bscret.buf[bscret.swords],
&bscret.buf[bscret.dim], 0) != 1) {