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-rw-r--r--include/zmq.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/zmq.h b/include/zmq.h
index a773f45..2852886 100644
--- a/include/zmq.h
+++ b/include/zmq.h
@@ -108,7 +108,7 @@ ZMQ_EXPORT void zmq_version (int *major, int *minor, int *patch);
/* of this function is to make the code 100% portable, including where 0MQ */
/* compiled with certain CRT library (on Windows) is linked to an */
/* application that uses different CRT library. */
-ZMQ_EXPORT int zmq_errno ();
+ZMQ_EXPORT int zmq_errno (void);
/* Resolves system errors and 0MQ errors to human-readable string. */
ZMQ_EXPORT const char *zmq_strerror (int errnum);