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+.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
+.\"
+.\" 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.
+.\"
+.\" 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
+.\"   ISO/IEC 9899:1999
+.\"
+.TH WCTYPE 3  1999-07-25 "GNU" "Linux Programmer's Manual"
+.SH NAME
+wctype \- wide character classification
+.SH SYNOPSIS
+.nf
+.B #include <wctype.h>
+.sp
+.BI "wctype_t wctype(const char *" name );
+.fi
+.SH DESCRIPTION
+The \fBwctype_t\fP type represents a property which a wide character may or
+may not have. In other words, it represents a class of wide characters.
+This type's nature is implementation dependent, but the special value
+\fI(wctype_t)0\fP denotes an invalid property. Nonzero \fBwctype_t\fP values
+can be passed to the \fBiswctype\fP function to actually test whether a given
+wide character has the property.
+.PP
+The \fBwctype\fP function returns a property, given by its name. The set of
+valid names depends on the LC_CTYPE category of the current locale, but the
+following names are valid in all locales.
+.nf
+  "alnum" - realizes the \fBisalnum\fP classification function
+  "alpha" - realizes the \fBisalpha\fP classification function
+  "blank" - realizes the \fBisblank\fP classification function
+  "cntrl" - realizes the \fBiscntrl\fP classification function
+  "digit" - realizes the \fBisdigit\fP classification function
+  "graph" - realizes the \fBisgraph\fP classification function
+  "lower" - realizes the \fBislower\fP classification function
+  "print" - realizes the \fBisprint\fP classification function
+  "punct" - realizes the \fBispunct\fP classification function
+  "space" - realizes the \fBisspace\fP classification function
+  "upper" - realizes the \fBisupper\fP classification function
+  "xdigit" - realizes the \fBisxdigit\fP classification function
+.fi
+.SH "RETURN VALUE"
+The \fBwctype\fP function returns a property descriptor if the \fIname\fP is
+valid. Otherwise it returns \fI(wctype_t)0\fP.
+.SH "CONFORMING TO"
+ISO/ANSI C, UNIX98
+.SH "SEE ALSO"
+.BR iswctype (3)
+.SH NOTES
+The behaviour of \fBwctype\fP depends on the LC_CTYPE category of the
+current locale.