From 9794feed8fcd22343c05cd50f38a65e08dc3dda9 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sat, 4 May 2019 17:42:57 -0500
Subject: [PATCH] tsearch.3: SYNOPSIS: clarify that twalk_r() requires
 _GNU_SOURCE

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/tsearch.3 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/man3/tsearch.3 b/man3/tsearch.3
index 194607c86f..b47c2d2370 100644
--- a/man3/tsearch.3
+++ b/man3/tsearch.3
@@ -43,12 +43,12 @@ tsearch, tfind, tdelete, twalk, tdestroy \- manage a binary search tree
 .BI "void twalk(const void *" root ", void (*" action ")(const void *" nodep ,
 .BI "                                   VISIT " which ", int " depth "));"
 .PP
+.BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
+.B #include <search.h>
+.PP
 .BI "void twalk_r(const void *" root ", void (*" action ")(const void *" np ,
 .BI "                                   VISIT " which ", void *" closure "),
 .BI "                                   void *" closure );
-
-.BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
-.B #include <search.h>
 .PP
 .BI "void tdestroy(void *" root ", void (*" free_node ")(void *" nodep ));
 .fi
-- 
2.39.5