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-rw-r--r--resolv/netdb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h
index 5aaa387166..238510f0e4 100644
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -577,6 +577,7 @@ struct gaicb
# define AI_IDN 0x0040 /* IDN encode input (assuming it is encoded
in the current locale's character set)
before looking it up. */
+# define AI_CANONIDN 0x0080 /* Translate canonical name from IDN format. */
# endif
/* Error values for `getaddrinfo' function. */