From 117086832eaa9740abdf017b05aae7fb0708fad1 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Fri, 2 Feb 2007 06:07:43 +0000
Subject: [PATCH] Added FTM to prototype

---
 man3/ualarm.3 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/man3/ualarm.3 b/man3/ualarm.3
index 9dfd4b1b5b..681cbda247 100644
--- a/man3/ualarm.3
+++ b/man3/ualarm.3
@@ -25,6 +25,7 @@
 ualarm \- schedule signal after given number of microseconds
 .SH SYNOPSIS
 .nf
+.B "#define _XOPEN_SOURCE 500     /* Or: #define _BSD_SOURCE */
 .B "#include <unistd.h>"
 .sp
 .BI "useconds_t ualarm(useconds_t " usecs ", useconds_t " interval );
-- 
2.47.2