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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
+.TH "<wctype.h>" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" <wctype.h>
+.SH NAME
+wctype.h \- wide-character classification and mapping utilities
+.SH SYNOPSIS
+.LP
+\fB#include <wctype.h>\fP
+.SH DESCRIPTION
+.LP
+Some of the functionality described on this reference page extends
+the ISO\ C standard. Applications shall define
+the appropriate feature test macro (see the System Interfaces volume
+of IEEE\ Std\ 1003.1-2001, Section 2.2, The Compilation Environment)
+to enable the visibility of these symbols in this
+header.
+.LP
+The \fI<wctype.h>\fP header shall define the following types:
+.TP 7
+\fBwint_t\fP
+As described in \fI<wchar.h>\fP .
+.TP 7
+\fBwctrans_t\fP
+A scalar type that can hold values which represent locale-specific
+character mappings.
+.TP 7
+\fBwctype_t\fP
+As described in \fI<wchar.h>\fP .
+.sp
+.LP
+The following shall be declared as functions and may also be defined
+as macros. Function prototypes shall be provided.
+.sp
+.RS
+.nf
+
+\fBint iswalnum(wint_t);
+int iswalpha(wint_t);
+int iswblank(wint_t);
+int iswcntrl(wint_t);
+int iswdigit(wint_t);
+int iswgraph(wint_t);
+int iswlower(wint_t);
+int iswprint(wint_t);
+int iswpunct(wint_t);
+int iswspace(wint_t);
+int iswupper(wint_t);
+int iswxdigit(wint_t);
+int iswctype(wint_t, wctype_t);
+wint_t towctrans(wint_t, wctrans_t);
+wint_t towlower(wint_t);
+wint_t towupper(wint_t);
+wctrans_t wctrans(const char *);
+wctype_t wctype(const char *);
+\fP
+.fi
+.RE
+.LP
+The \fI<wctype.h>\fP header shall define the following macro name:
+.TP 7
+WEOF
+Constant expression of type \fBwint_t\fP that is returned by several
+MSE functions to indicate end-of-file.
+.sp
+.LP
+For all functions described in this header that accept an argument
+of type \fBwint_t\fP, the value is representable as a
+\fBwchar_t\fP or equals the value of WEOF. If this argument has any
+other value, the behavior is undefined.
+.LP
+The behavior of these functions shall be affected by the \fILC_CTYPE\fP
+category of the current locale.
+.LP
+Inclusion of the \fI<wctype.h>\fP header may make visible all symbols
+from the headers \fI<ctype.h>\fP, \fI<stdarg.h>\fP, \fI<stddef.h>\fP,
+\fI<stdio.h>\fP, \fI<stdlib.h>\fP, \fI<string.h>\fP, \fI<time.h>\fP,
+and \fI<wchar.h>\fP.
+.LP
+\fIThe following sections are informative.\fP
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fI<ctype.h>\fP , \fI<locale.h>\fP , \fI<stdarg.h>\fP , \fI<stddef.h>\fP
+, \fI<stdio.h>\fP , \fI<stdlib.h>\fP , \fI<string.h>\fP , \fI<time.h>\fP
+, \fI<wchar.h>\fP , the System Interfaces volume of IEEE\ Std\ 1003.1-2001,
+\fIiswalnum\fP(), \fIiswalpha\fP(), \fIiswblank\fP(), \fIiswcntrl\fP(),
+\fIiswctype\fP(), \fIiswdigit\fP(), \fIiswgraph\fP(), \fIiswlower\fP(),
+\fIiswprint\fP(), \fIiswpunct\fP(), \fIiswspace\fP(), \fIiswupper\fP(),
+\fIiswxdigit\fP(), \fIsetlocale\fP(), \fItowctrans\fP(), \fItowlower\fP(),
+\fItowupper\fP(), \fIwctrans\fP(), \fIwctype\fP()
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .