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-rw-r--r--resolv/netdb.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h
index 69c2f8a11c..cca9ffc830 100644
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -569,6 +569,10 @@ struct gaicb
 # define AI_PASSIVE	0x0001	/* Socket address is intended for `bind'.  */
 # define AI_CANONNAME	0x0002	/* Request for canonical name.  */
 # define AI_NUMERICHOST	0x0004	/* Don't use name resolution.  */
+# define AI_V4MAPPED	0x0008	/* IPv4 mapped addresses are acceptable.  */
+# define AI_ALL		0x0010	/* Return IPv4 mapped and IPv6 addresses.  */
+# define AI_ADDRCONFIG	0x0020	/* Use configuration of this host to choose
+				   returned address type..  */
 
 /* Error values for `getaddrinfo' function.  */
 # define EAI_BADFLAGS	  -1	/* Invalid value for `ai_flags' field.  */