113 	int padlen, optlen, off;  in inet6_option_append()  local
145 		optlen = 1;  in inet6_option_append()
147 		optlen = typep[1] + 2;  in inet6_option_append()
148 	memcpy(bp, typep, optlen);  in inet6_option_append()
149 	bp += optlen;  in inet6_option_append()
150 	cmsg->cmsg_len += optlen;  in inet6_option_append()
244 	int hdrlen, optlen;  in inet6_option_next()  local
269 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_next()
272 		*tptrp = *tptrp + optlen;  in inet6_option_next()
300 	int hdrlen, optlen;  in inet6_option_find()  local
325 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_find()
328 		*tptrp = *tptrp + optlen;  in inet6_option_find()
330 	for (optp = *tptrp; optp < lim; optp += optlen) {  in inet6_option_find()
335 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_option_find()
352 	int optlen;  in ip6optlen()  local
355 		optlen = 1;  in ip6optlen()
360 		optlen = *(opt + 1) + 2;  in ip6optlen()
362 	if (opt + optlen <= lim)  in ip6optlen()
363 		return(optlen);  in ip6optlen()
507 	int optlen;  in inet6_opt_next()  local
532 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
534 			optp += optlen;  in inet6_opt_next()
537 			if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_next()
540 			*lenp = optlen - 2;  in inet6_opt_next()
542 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_next()
556 	int optlen;  in inet6_opt_find()  local
576 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_find()
580 			*lenp = optlen - 2;  in inet6_opt_find()
582 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_find()
585 		optp += optlen;  in inet6_opt_find()