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-rw-r--r--sysdeps/unix/sysv/linux/bits/in.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index 3b01f12d93..d75c07b9fd 100644
--- a/sysdeps/unix/sysv/linux/bits/in.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
@@ -184,6 +184,7 @@ struct in_pktinfo
 #define IPV6_LEAVE_ANYCAST	28
 #define IPV6_IPSEC_POLICY	34
 #define IPV6_XFRM_POLICY	35
+#define IPV6_HDRINCL		36
 
 /* Advanced API (RFC3542) (1).  */
 #define IPV6_RECVPKTINFO	49