From 395b07d1df53d379549249db044cf619899dcd38 Mon Sep 17 00:00:00 2001
From: Bruce Evans <bde@FreeBSD.org>
Date: Mon, 5 Sep 1994 13:03:50 +0000
Subject: [PATCH] Explicitly include <sys/types.h> before including <regex.h>. 
 This is apparently required by POSIX.  It will be required in practice when
 the bogus inclusion of <sys/types.h> is removed from <stdio.h>.

---
 bin/expr/expr.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bin/expr/expr.y b/bin/expr/expr.y
index 57ad5022e496..b2649c10f869 100644
--- a/bin/expr/expr.y
+++ b/bin/expr/expr.y
@@ -484,6 +484,7 @@ struct val *a, *b;
 	return r;
 }
 	
+#include <sys/types.h>
 #include <regex.h>
 
 struct val *