129 	size_t padlen, optlen, off;  in inet6_option_append()  local
169 		optlen = 1;  in inet6_option_append()
171 		optlen = typep[1] + 2;  in inet6_option_append()
172 	memcpy(bp, typep, (size_t)optlen);  in inet6_option_append()
173 	bp += optlen;  in inet6_option_append()
174 	_DIAGASSERT(__type_fit(socklen_t, optlen + cmsg->cmsg_len));  in inet6_option_append()
175 	cmsg->cmsg_len += (socklen_t)optlen;  in inet6_option_append()
281 	int hdrlen, optlen;  in inet6_option_next()  local
309 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_next()
312 		*tptrp = *tptrp + optlen;  in inet6_option_next()
340 	int hdrlen, optlen;  in inet6_option_find()  local
368 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_find()
371 		*tptrp = *tptrp + optlen;  in inet6_option_find()
373 	for (optp = *tptrp; optp < lim; optp += optlen) {  in inet6_option_find()
378 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_option_find()
395 	int optlen;  in ip6optlen()  local
401 		optlen = 1;  in ip6optlen()
406 		optlen = *(opt + 1) + 2;  in ip6optlen()
408 	if (opt + optlen <= lim)  in ip6optlen()
409 		return(optlen);  in ip6optlen()
559 	int optlen;  in inet6_opt_next()  local
584 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
586 			optp += optlen;  in inet6_opt_next()
589 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
592 			*lenp = optlen - 2;  in inet6_opt_next()
594 			rv = optp + optlen - (uint8_t *)extbuf;  in inet6_opt_next()
610 	int optlen;  in inet6_opt_find()  local
629 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_find()
634 			*lenp = optlen - 2;  in inet6_opt_find()
636 			td = optp + optlen - (uint8_t *)extbuf;  in inet6_opt_find()
641 		optp += optlen;  in inet6_opt_find()