DNAME_LABELENC_MAXLEN
if (dst + 1 + len < dst_origin + DNAME_LABELENC_MAXLEN)
static char abuf[DNAME_LABELENC_MAXLEN];
if (len + len / 64 + 1 + 1 > DNAME_LABELENC_MAXLEN)
char da_dom[DNAME_LABELENC_MAXLEN]; /* search domain name entry */