.\" 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
.\" Dinkumware C library reference http://www.dinkumware.com/
-.\" OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html
+.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\" ISO/IEC 9899:1999
.\"
-.TH ISWSPACE 3 1999-07-25 "GNU" "Linux Programmer's Manual"
+.TH ISWSPACE 3 2015-08-08 "GNU" "Linux Programmer's Manual"
.SH NAME
iswspace \- test for whitespace wide character
.SH SYNOPSIS
.nf
.B #include <wctype.h>
-.sp
+.PP
.BI "int iswspace(wint_t " wc );
.fi
.SH DESCRIPTION
function is the wide-character equivalent of the
.BR isspace (3)
function.
-It tests whether \fIwc\fP is a wide character
+It tests whether
+.I wc
+is a wide character
belonging to the wide-character class "space".
.PP
The wide-character class "space" is disjoint from the wide-character class
The wide-character class "space" contains the wide-character class "blank".
.PP
The wide-character class "space" always contains at least the space character
-and the control characters '\\f', '\\n', '\\r', '\\t', '\\v'.
-.SH "RETURN VALUE"
+and the control
+characters \(aq\\f\(aq, \(aq\\n\(aq, \(aq\\r\(aq, \(aq\\t\(aq, \(aq\\v\(aq.
+.SH RETURN VALUE
The
.BR iswspace ()
-function returns non-zero if \fIwc\fP is a wide character
+function returns nonzero if
+.I wc
+is a wide character
belonging to the wide-character class "space".
-Otherwise it returns zero.
-.SH "CONFORMING TO"
-C99.
-.SH "SEE ALSO"
-.BR isspace (3),
-.BR iswctype (3)
+Otherwise, it returns zero.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR iswspace ()
+T} Thread safety MT-Safe locale
+.TE
+.SH CONFORMING TO
+POSIX.1-2001, POSIX.1-2008, C99.
.SH NOTES
-The behaviour of
+The behavior of
.BR iswspace ()
-depends on the LC_CTYPE category of the
+depends on the
+.B LC_CTYPE
+category of the
current locale.
+.SH SEE ALSO
+.BR isspace (3),
+.BR iswctype (3)