110 inet6_option_append(struct cmsghdr *cmsg, const u_int8_t *typep, int multx,  in inet6_option_append()  argument
114 	u_char *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_append()
115 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_append()
130 		cmsg->cmsg_len += 2;  in inet6_option_append()
140 	cmsg->cmsg_len += padlen;  in inet6_option_append()
150 	cmsg->cmsg_len += optlen;  in inet6_option_append()
157 	cmsg->cmsg_len += padlen;  in inet6_option_append()
179 inet6_option_alloc(struct cmsghdr *cmsg, int datalen, int multx, int plusy)  in inet6_option_alloc()  argument
182 	u_int8_t *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_alloc()
184 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_alloc()
199 		cmsg->cmsg_len += 2;  in inet6_option_alloc()
209 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
215 	cmsg->cmsg_len += datalen;  in inet6_option_alloc()
222 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
241 inet6_option_next(const struct cmsghdr *cmsg, u_int8_t **tptrp)  in inet6_option_next()  argument
247 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_next()
248 	    (!is_ipv6_hopopts(cmsg->cmsg_type) &&  in inet6_option_next()
249 	     !is_ipv6_dstopts(cmsg->cmsg_type)))  in inet6_option_next()
253 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_next()
255 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_next()
257 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_next()
297 inet6_option_find(const struct cmsghdr *cmsg, u_int8_t **tptrp, int type)  in inet6_option_find()  argument
303 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_find()
304 	    (!is_ipv6_hopopts(cmsg->cmsg_type) &&  in inet6_option_find()
305 	     !is_ipv6_dstopts(cmsg->cmsg_type)))  in inet6_option_find()
309 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_find()
311 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_find()
313 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_find()