Added/updated glibc feature test macro requirements

1 files changed, 11 insertions, 4 deletions

diff --git a/man3/j0.3 b/man3/j0.3
index 5233aa545..973ae6b2b 100644
--- a/man3/j0.3
+++ b/man3/j0.3
@@ -28,13 +28,12 @@
 .\" Modified 2002-08-25, aeb
 .\" Modified 2004-11-12 as per suggestion by Fabian Kreutz/AEB
 .\"
-.TH J0 3  2002-08-25 "" "Linux Programmer's Manual"
+.TH J0 3  2007-07-26 "" "Linux Programmer's Manual"
 .SH NAME
 j0, j0f, j0l, j1, j1f, j1l, jn, jnf, jnl,
 y0, y0f, y0l, y1, y1f, y1l, yn, ynf, ynl \- Bessel functions
 .SH SYNOPSIS
 .nf
-.B #define _GNU_SOURCE
 .B #include <math.h>
 .sp
 .BI "double j0(double " x );
@@ -75,6 +74,16 @@ y0, y0f, y0l, y1, y1f, y1l, yn, ynf, ynl \- Bessel functions
 .fi
 .sp
 Link with \fI-lm\fP.
+.sp
+.in -4n
+Feature Test Macro Requirements for glibc (see
+.BR feature_test_macros (7)):
+.in
+.sp
+.ad l
+For all of these functions:
+_SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE
+.ad b
 .SH DESCRIPTION
 The
 .BR j0 ()
@@ -130,5 +139,3 @@ There are errors of up to 2e\-16 in the values returned by
 and
 .BR jn ()
 for values of \fIx\fP between \-8 and 8.
-.SH "SEE ALSO"
-.BR feature_test_macros (7)