From b2ba7b00f26c2ea6cf837c7e86e50194a1b9804d Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sun, 30 May 1993 21:42:28 +0000
Subject: [PATCH] (UCHAR): Don't define if _UCHAR_T.

---
 src/lisp.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lisp.h b/src/lisp.h
index a41a73269e5..8efdd8daa08 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -565,7 +565,10 @@ struct Lisp_Float
 
 /* A character, declared with the following typedef, is a member
    of some character set associated with the current buffer. */
+#ifndef _UCHAR_T  /* Protect against something in ctab.h on AIX.  */
+#define _UCHAR_T
 typedef unsigned char UCHAR;
+#endif
 
 /* Meanings of slots in a Lisp_Compiled:  */
 
-- 
2.30.2