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-rw-r--r--resolv/resolv.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/resolv/resolv.h b/resolv/resolv.h
index c6e695dc72..3ef714f458 100644
--- a/resolv/resolv.h
+++ b/resolv/resolv.h
@@ -216,6 +216,8 @@ struct res_sym {
 					   reverse lookup */
 #define RES_USE_EDNS0	0x00100000	/* Use EDNS0.  */
 #define RES_SNGLKUP	0x00200000	/* one outstanding request at a time */
+#define RES_SNGLKUPREOP	0x00400000	/* -"-, but open new socket for each
+					   request */
 
 #define RES_DEFAULT	(RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT)