341 	uint8_t *optp, *lim;  in inet6_option_find()  local
373 	for (optp = *tptrp; optp < lim; optp += optlen) {  in inet6_option_find()
374 		if (*optp == type) {  in inet6_option_find()
375 			*tptrp = optp;  in inet6_option_find()
378 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_option_find()
497 		uint8_t *optp = (uint8_t *)extbuf + offset;  in inet6_opt_append()  local
501 			*optp = IP6OPT_PAD1;  in inet6_opt_append()
502 			optp++;  in inet6_opt_append()
505 			*optp++ = IP6OPT_PADN;  in inet6_opt_append()
507 			*optp++ = (uint8_t)(padlen - 2);  in inet6_opt_append()
508 			memset(optp, 0, padlen - 2);  in inet6_opt_append()
509 			optp += (padlen - 2);  in inet6_opt_append()
512 		*optp++ = type;  in inet6_opt_append()
513 		*optp++ = len;  in inet6_opt_append()
515 		*databufp = optp;  in inet6_opt_append()
558 	uint8_t *optp, *lim;  in inet6_opt_next()  local
572 		optp = (uint8_t *)(void *)((struct ip6_hbh *)extbuf + 1);  in inet6_opt_next()
574 		optp = (uint8_t *)extbuf + offset;  in inet6_opt_next()
577 	while (optp < lim) {  in inet6_opt_next()
579 		switch(*optp) {  in inet6_opt_next()
581 			optp++;  in inet6_opt_next()
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()
591 			*typep = *optp;  in inet6_opt_next()
593 			*databufp = optp + 2;  in inet6_opt_next()
594 			rv = optp + optlen - (uint8_t *)extbuf;  in inet6_opt_next()
609 	uint8_t *optp, *lim;  in inet6_opt_find()  local
623 		optp = (uint8_t *)(void *)((struct ip6_hbh *)extbuf + 1);  in inet6_opt_find()
625 		optp = (uint8_t *)extbuf + offset;  in inet6_opt_find()
628 	while (optp < lim) {  in inet6_opt_find()
629 		if ((optlen = ip6optlen(optp, lim)) == 0)  in inet6_opt_find()
632 		if (*optp == type) { /* found */  in inet6_opt_find()
635 			*databufp = optp + 2;  in inet6_opt_find()
636 			td = optp + optlen - (uint8_t *)extbuf;  in inet6_opt_find()
641 		optp += optlen;  in inet6_opt_find()