dn_skipname
int dn_skipname(const unsigned char *, const unsigned char *);
b = dn_skipname(ptr, eom);
int dn_skipname(const u_char *, const u_char *);
skip = dn_skipname(p, eom);
skip = dn_skipname(p, eom);
__weak_alias(dn_skipname,__dn_skipname)