diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 66e25be9b..f70d81686 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec 6 15:39:18 2000  Earnie Boyd  <earnie_boyd@yahoo.com>
+
+	* winsup/cygwin/include/sys/uio.h (readv): Correct prototype.
+	(writev): Ditto.
+
 Tue Dec  5 17:06:00 2000  Corinna Vinschen <corinna@vinschen.de>
 
 	* include/sys/uio.h: Include <sys/cdefs.h>. Use __BEGIN_DECL and
diff --git a/winsup/cygwin/include/sys/uio.h b/winsup/cygwin/include/sys/uio.h
index 39cd16ce2..5309a79db 100644
--- a/winsup/cygwin/include/sys/uio.h
+++ b/winsup/cygwin/include/sys/uio.h
@@ -19,8 +19,8 @@ struct iovec {
 	int iov_len;
 };
 
-extern int readv __P ((int filedes, const struct iovec *vector, size_t count));
-extern int writev __P ((int filedes, const struct iovec *vector, size_t count));
+extern ssize_t readv __P ((int filedes, const struct iovec *vector, int count));
+extern ssize_t writev __P ((int filedes, const struct iovec *vector, int count));
 
 __END_DECLS