231 inet6_option_next(const struct cmsghdr *cmsg, u_int8_t **tptrp)  in inet6_option_next()  argument
256 	if (*tptrp == NULL)  in inet6_option_next()
257 		*tptrp = (u_int8_t *)(ip6e + 1);  in inet6_option_next()
259 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_next()
262 		*tptrp = *tptrp + optlen;  in inet6_option_next()
264 	if (*tptrp >= lim) {	/* there is no option */  in inet6_option_next()
265 		*tptrp = NULL;  in inet6_option_next()
272 	if (ip6optlen(*tptrp, lim) == 0)  in inet6_option_next()
287 inet6_option_find(const struct cmsghdr *cmsg, u_int8_t **tptrp, int type)  in inet6_option_find()  argument
312 	if (*tptrp == NULL)  in inet6_option_find()
313 		*tptrp = (u_int8_t *)(ip6e + 1);  in inet6_option_find()
315 		if ((optlen = ip6optlen(*tptrp, lim)) == 0)  in inet6_option_find()
318 		*tptrp = *tptrp + optlen;  in inet6_option_find()
320 	for (optp = *tptrp; optp < lim; optp += optlen) {  in inet6_option_find()
322 			*tptrp = optp;  in inet6_option_find()
330 	*tptrp = NULL;  in inet6_option_find()