241 inet6_option_next(const struct cmsghdr *cmsg, u_int8_t **tptrp)  in inet6_option_next()  argument
266 	if (*tptrp == NULL)  in inet6_option_next()
267 		*tptrp = (u_int8_t *)(ip6e + 1);  in inet6_option_next()
269 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_next()
272 		*tptrp = *tptrp + optlen;  in inet6_option_next()
274 	if (*tptrp >= lim) {	/* there is no option */  in inet6_option_next()
275 		*tptrp = NULL;  in inet6_option_next()
282 	if (ip6optlen(*tptrp, lim) == 0)  in inet6_option_next()
297 inet6_option_find(const struct cmsghdr *cmsg, u_int8_t **tptrp, int type)  in inet6_option_find()  argument
322 	if (*tptrp == NULL)  in inet6_option_find()
323 		*tptrp = (u_int8_t *)(ip6e + 1);  in inet6_option_find()
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()
332 			*tptrp = optp;  in inet6_option_find()
340 	*tptrp = NULL;  in inet6_option_find()