From 5192191e5d52292d89df2be6fc280ac20a5ee306 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Tue, 1 Nov 2022 12:46:10 -0400
Subject: [PATCH] Qt: remove obsolete #undef lines

---
 win/Qt/qt_pre.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/win/Qt/qt_pre.h b/win/Qt/qt_pre.h
index db3830016..d3635e19b 100644
--- a/win/Qt/qt_pre.h
+++ b/win/Qt/qt_pre.h
@@ -9,14 +9,21 @@
 #undef C            // conflicts with Qt6 header
 #undef Invisible
 #undef Warning
-#undef index
 #undef msleep
-#undef rindex
 #undef wizard
 #undef yn
 #undef min
 #undef max
 
+#ifdef NO_C99
+#ifdef NEED_INDEX
+#undef index
+#endif
+#ifdef NEED_RINDX
+#undef rindex
+#endif
+#endif
+
 #if defined(__cplusplus)
 
 #ifdef __clang__