.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
.\"
+.\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
+.\" %%%LICENSE_END
.\"
.\" References consulted:
.\" GNU glibc-2 source code and manual
.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\" ISO/IEC 9899:1999
.\"
-.TH ISWBLANK 3 2010-09-20 "GNU" "Linux Programmer's Manual"
+.TH ISWBLANK 3 2014-02-10 "GNU" "Linux Programmer's Manual"
.SH NAME
iswblank \- test for whitespace wide character
.SH SYNOPSIS
The wide-character class "blank" always contains
at least the space character
and the control character \(aq\\t\(aq.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
The
.BR iswblank ()
function returns nonzero
if \fIwc\fP is a wide character
belonging to the wide-character class "blank".
-Otherwise it returns zero.
-.SH "CONFORMING TO"
+Otherwise, it returns zero.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR iswblank ()
+function is thread-safe with exceptions.
+It can be safely used in multithreaded applications, as long as
+.BR setlocale (3)
+is not called to change the locale during its execution.
+.SH CONFORMING TO
POSIX.1-2001.
.SH NOTES
The behavior of
.B LC_CTYPE
category of the
current locale.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR isblank (3),
.BR iswctype (3)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.