From 7fde78e66fbd4924c9bc34356210d361c2211134 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Fri, 1 Aug 2008 05:26:15 +0000
Subject: [PATCH] SYNOPSIS: Fixed feature test macro requirements.

---
 man3/finite.3 | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/man3/finite.3 b/man3/finite.3
index 9bd2f6ed5..45faaf686 100644
--- a/man3/finite.3
+++ b/man3/finite.3
@@ -20,7 +20,7 @@
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
 .\"
-.TH FINITE 3  2007-07-26 "" "Linux Programmer's Manual"
+.TH FINITE 3  2008-07-29 "" "Linux Programmer's Manual"
 .SH NAME
 finite, finitef, finitel, isinf, isinff, isinfl, isnan, isnanf, isnanl \-
 BSD floating-point classification functions
@@ -58,15 +58,21 @@ Feature Test Macro Requirements for glibc (see
 .BR finitel ():
 _BSD_SOURCE || _SVID_SOURCE
 .br
-.BR isinf (),
+.BR isinf ():
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE;
+.I cc\ -std=c99
+.br
 .BR isinff (),
 .BR isinfl ():
 _BSD_SOURCE || _SVID_SOURCE
 .br
-.BR isnan (),
+.BR isnan ():
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE || _ISOC99_SOURCE;
+.I cc\ -std=c99
+.br
 .BR isnanf (),
 .BR isnanl ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600
 .ad b
 .SH DESCRIPTION
 The
@@ -81,7 +87,7 @@ and 0 otherwise.
 
 The
 .BR isinf ()
-functions return 1 if \fIx\fP is positive infinity, \-1 is \fIx\fP
+functions return 1 if \fIx\fP is positive infinity, \-1 if \fIx\fP
 is negative infinity, and 0 otherwise.
 .SH NOTES
 Note that these functions are obsolete.