.\" 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
function returns nonzero
if \fIwc\fP is a wide character
belonging to the wide-character class "blank".
-Otherwise it returns zero.
+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
.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/.