Added/updated glibc feature test macro requirements

[thirdparty/man-pages.git] / man3 / copysign.3

diff --git a/man3/copysign.3 b/man3/copysign.3
index 27ae856f1dbc7cf2e0c073bc1a64785aca56c86c..62381efd9c2993da0638a869b9fc1db63d7b2916 100644 (file)
--- a/man3/copysign.3
+++ b/man3/copysign.3
@@ -26,7 +26,7 @@
 .\"     386BSD man pages
 .\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu)
 .\" Modified 2002-08-10 by Walter Harms (walter.harms@informatik.uni-oldenburg.de)
-.TH COPYSIGN 3  2007-03-31 "GNU" "Linux Programmer's Manual"
+.TH COPYSIGN 3  2007-07-26 "GNU" "Linux Programmer's Manual"
 .SH NAME
 copysign, copysignf, copysignl \- copy sign of a number
 .SH SYNOPSIS
@@ -41,6 +41,19 @@ copysign, copysignf, copysignl \- copy sign of a number
 .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
+.BR copysign (),
+.BR copysignf (), 
+.BR copysignl ():
+_SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.I cc\ -std=c99
+.ad b
 .SH DESCRIPTION
 The
 .BR copysign ()