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-rw-r--r--include/zmq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/zmq.h b/include/zmq.h
index 2d01e24..40dffd9 100644
--- a/include/zmq.h
+++ b/include/zmq.h
@@ -179,6 +179,7 @@ ZMQ_EXPORT int zmq_term (void *context);
#define ZMQ_MAXMSGSIZE 22
#define ZMQ_SNDHWM 23
#define ZMQ_RCVHWM 24
+#define ZMQ_MULTICAST_HOPS 25
/* Send/recv options. */
#define ZMQ_DONTWAIT 1