__db_log2
(u_int32_t)1 << __db_log2(dbp->pgsize) != dbp->pgsize) {
l2 = __db_log2(nelem > 2 ? nelem : 2);
if (__db_log2(hcp->hdr->max_bucket + 2) > hcp->hdr->ovfl_point) {
spare_ndx = __db_log2(hcp->hdr->max_bucket + 1);
ret_val += hcp->hdr->spares[__db_log2(n + 1) - 1];
pow = __db_log2(hcp->hdr->max_bucket + 1);
pow = 1 << __db_log2(hcp->hdr->max_bucket + 1);
u_int32_t __db_log2 __P((u_int32_t));
((B) + 1 + ((B) ? (I)->hdr->spares[__db_log2((B)+1)-1] : 0))