aver (nbits);
result = obstack_alloc (obstackp, Sbitset__nbytes (nbits));
for (ptr = result, end = result + Sbitset__nbytes (nbits); ptr < end; ++ptr)
aver (nbits);
result = obstack_alloc (obstackp, Sbitset__nbytes (nbits));
for (ptr = result, end = result + Sbitset__nbytes (nbits); ptr < end; ++ptr)