diff options
Diffstat (limited to 'libc/include/netinet/in6.h')
| -rw-r--r-- | libc/include/netinet/in6.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/include/netinet/in6.h b/libc/include/netinet/in6.h index 2f5fee1..efd5c0a 100644 --- a/libc/include/netinet/in6.h +++ b/libc/include/netinet/in6.h @@ -60,6 +60,10 @@ #define IN6_IS_ADDR_SITELOCAL(a) \ (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) +/* RFC 4193. */ +#define IN6_IS_ADDR_ULA(a) \ + (((a)->s6_addr[0] & 0xfe) == 0xfc) + #define IN6_IS_ADDR_MULTICAST(a) \ (((__const uint8_t *) (a))[0] == 0xff) |