From 3c3468355f8cf3dd644058ab239b948f8facebfa Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sat, 18 Feb 2023 23:07:44 +0000
Subject: Use unreserved macro names for multiple-include protection

Some headers used macros named like _THING_H for multiple-include
protection.  That style of name is reserved in ISO C, though, so I've
replaced it with PUZZLES_THING_H which is my favourite of the other
styles in use.
---
 loopgen.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'loopgen.h')

diff --git a/loopgen.h b/loopgen.h
index 079c87c..46002dc 100644
--- a/loopgen.h
+++ b/loopgen.h
@@ -2,8 +2,8 @@
  * loopgen.h: interface file for loop generation functions for grid.[ch].
  */
 
-#ifndef _LOOPGEN_H
-#define _LOOPGEN_H
+#ifndef PUZZLES_LOOPGEN_H
+#define PUZZLES_LOOPGEN_H
 
 #include "puzzles.h"
 #include "grid.h"
-- 
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