1 files changed, 1 insertions, 0 deletions
diff --git a/lib/ipv6.h b/lib/ipv6.h
index 3f775d4..1cf52a9 100644
--- a/lib/ipv6.h
+++ b/lib/ipv6.h
@@ -23,6 +23,7 @@ typedef struct ipv4_addr {
 #define _I3(a) ((a).addr[3])
 
 #define BITS_PER_IP_ADDRESS 128
+#define STD_ADDRESS_P_LENGTH 39
 
 #define IPA_NONE _MI(0,0,0,0)