as advertised, zmq_flush and ZMQ_NOFLUSH were removed

include/zmq.h

@@ -181,7 +181,6 @@ ZMQ_EXPORT int zmq_term (void *context);
 #define ZMQ_RCVBUF 12
 
 #define ZMQ_NOBLOCK 1
-#define ZMQ_NOFLUSH 2
 
 ZMQ_EXPORT void *zmq_socket (void *context, int type);
 ZMQ_EXPORT int zmq_close (void *s);
@@ -190,7 +189,6 @@ ZMQ_EXPORT int zmq_setsockopt (void *s, int option, const void *optval,
 ZMQ_EXPORT int zmq_bind (void *s, const char *addr);
 ZMQ_EXPORT int zmq_connect (void *s, const char *addr);
 ZMQ_EXPORT int zmq_send (void *s, zmq_msg_t *msg, int flags);
-ZMQ_EXPORT int zmq_flush (void *s);
 ZMQ_EXPORT int zmq_recv (void *s, zmq_msg_t *msg, int flags);
 
 ////////////////////////////////////////////////////////////////////////////////

src/zmq.cpp

@@ -313,12 +313,6 @@ int zmq_send (void *s_, zmq_msg_t *msg_, int flags_)
     return (((zmq::socket_base_t*) s_)->send (msg_, flags_));
 }
 
-int zmq_flush (void *s_)
-{
-    errno = ENOTSUP;
-    return -1;
-}
-
 int zmq_recv (void *s_, zmq_msg_t *msg_, int flags_)
 {
     return (((zmq::socket_base_t*) s_)->recv (msg_, flags_));