388 inet6_opt_init(void *extbuf, socklen_t extlen)  in inet6_opt_init()  argument
390 	struct ip6_ext *ext = (struct ip6_ext *)extbuf;  in inet6_opt_init()
402 inet6_opt_append(void *extbuf, socklen_t extlen, int offset, u_int8_t type,  in inet6_opt_append()  argument
441 	if (extbuf) {  in inet6_opt_append()
442 		u_int8_t *optp = (u_int8_t *)extbuf + offset;  in inet6_opt_append()
467 inet6_opt_finish(void *extbuf, socklen_t extlen, int offset)  in inet6_opt_finish()  argument
471 	if (extbuf) {  in inet6_opt_finish()
478 		padp = (u_int8_t *)extbuf + offset;  in inet6_opt_finish()
500 inet6_opt_next(void *extbuf, socklen_t extlen, int offset, u_int8_t *typep,  in inet6_opt_next()  argument
509 	lim = (u_int8_t *)extbuf + extlen;  in inet6_opt_next()
517 		optp = (u_int8_t *)((struct ip6_hbh *)extbuf + 1);  in inet6_opt_next()
520 		optp = (u_int8_t *)extbuf + offset;  in inet6_opt_next()
539 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_next()
549 inet6_opt_find(void *extbuf, socklen_t extlen, int offset, u_int8_t type,  in inet6_opt_find()  argument
558 	lim = (u_int8_t *)extbuf + extlen;  in inet6_opt_find()
566 		optp = (u_int8_t *)((struct ip6_hbh *)extbuf + 1);  in inet6_opt_find()
569 		optp = (u_int8_t *)extbuf + offset;  in inet6_opt_find()
579 			return(optp + optlen - (u_int8_t *)extbuf);  in inet6_opt_find()