1 files changed, 3 insertions, 0 deletions
diff --git a/ares/nameser.h b/ares/nameser.h
index 77c76bf48..d3a95e8cc 100644
--- a/ares/nameser.h
+++ b/ares/nameser.h
@@ -26,6 +26,9 @@ struct iovec
 
 #define getpid() _getpid()
 
+int ares_writev (SOCKET s, const struct iovec *vector, size_t count);
+#define writev(s,vect,count)  ares_writev(s,vect,count)
+
 struct timezone { int dummy; };
 
 int ares_gettimeofday(struct timeval *tv, struct timezone *tz);