110 	int padlen, optlen, off;  in inet6_option_append()  local
142 		optlen = 1;  in inet6_option_append()
144 		optlen = typep[1] + 2;  in inet6_option_append()
145 	memcpy(bp, typep, optlen);  in inet6_option_append()
146 	bp += optlen;  in inet6_option_append()
147 	cmsg->cmsg_len += optlen;  in inet6_option_append()
241 	int hdrlen, optlen;  in inet6_option_next()  local
266 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_next()
269 		*tptrp = *tptrp + optlen;  in inet6_option_next()
297 	int hdrlen, optlen;  in inet6_option_find()  local
322 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_find()
325 		*tptrp = *tptrp + optlen;  in inet6_option_find()
327 	for (optp = *tptrp; optp < lim; optp += optlen) {  in inet6_option_find()
332 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_option_find()
349 	int optlen;  in ip6optlen()  local
352 		optlen = 1;  in ip6optlen()
357 		optlen = *(opt + 1) + 2;  in ip6optlen()
359 	if (opt + optlen <= lim)  in ip6optlen()
360 		return(optlen);  in ip6optlen()
504 	int optlen;  in inet6_opt_next()  local
529 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
531 			optp += optlen;  in inet6_opt_next()
534 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
537 			*lenp = optlen - 2;  in inet6_opt_next()
539 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_next()
553 	int optlen;  in inet6_opt_find()  local
573 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_find()
577 			*lenp = optlen - 2;  in inet6_opt_find()
579 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_find()
582 		optp += optlen;  in inet6_opt_find()