From a2232307a099e1e49f5438a96ac4fed1c46e4078 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 5 Sep 1996 02:48:41 +0000
Subject: [PATCH] Make sure NULL is defined by including stddef.h (if
 STDC_HEADERS || _LIBC) or simply defining it (otherwise). Include sys/types.h
 for definition of size_t needed by regex.h.

---
 lib/rpmatch.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/rpmatch.c b/lib/rpmatch.c
index 55d3bba13f..65674b6ab3 100644
--- a/lib/rpmatch.c
+++ b/lib/rpmatch.c
@@ -21,9 +21,15 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #endif
 
 #if STDC_HEADERS || _LIBC
+# include <stddef.h>
 # include <stdlib.h>
+#else
+# ifndef NULL
+#  define NULL 0
+# endif
 #endif
 
+#include <sys/types.h>
 #include <regex.h>
 
 #if ENABLE_NLS
-- 
2.30.2