diff options
Diffstat (limited to 'sys/netinet6/in6.h')
| -rw-r--r-- | sys/netinet6/in6.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h index 78c9cd56ed60..ce3bbea6b8e6 100644 --- a/sys/netinet6/in6.h +++ b/sys/netinet6/in6.h @@ -102,7 +102,13 @@ struct in6_addr { }; #define s6_addr __u6_addr.__u6_addr8 -#if defined(_KERNEL) || defined(_STANDALONE) /* XXX nonstandard */ +#if __BSD_VISIBLE +/* + * s6_addr is the only in6_addr element specified in RFCs 2553 and 3493, + * also in POSIX 1003.1-2017. The following three definitions were not + * exposed to user programs in FreeBSD before 14.1, or in other BSDs, + * and are thus less portable than s6_addr. + */ #define s6_addr8 __u6_addr.__u6_addr8 #define s6_addr16 __u6_addr.__u6_addr16 #define s6_addr32 __u6_addr.__u6_addr32 |