.\" Modified 2002-07-27 by Walter Harms
.\" (walter.harms@informatik.uni-oldenburg.de)
.\"
-.TH ERF 3 2010-09-20 "GNU" "Linux Programmer's Manual"
+.TH ERF 3 2013-10-29 "GNU" "Linux Programmer's Manual"
.SH NAME
erf, erff, erfl, \- error function
.SH SYNOPSIS
.IR errno .
.\" FIXME . Is it intentional that these functions do not set errno?
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6785
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR erf (),
+.BR erff (),
+and
+.BR erfl ()
+functions are thread-safe.
.SH CONFORMING TO
C99, POSIX.1-2001.
The variant returning