dn_skipname
len = dn_skipname(p, (unsigned char *)ds->ansp + ds->anslen);
len = dn_skipname(p, (unsigned char *)ds->ansp + ds->anslen);
int dn_skipname(const u_char *, const u_char *);
b = dn_skipname(ptr, eom);
skip = dn_skipname(p, eom);
skip = dn_skipname(p, eom);