mirror of https://github.com/mkerrisk/man-pages
92 lines
1.9 KiB
Groff
92 lines
1.9 KiB
Groff
.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
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.\"
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.\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
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.\" This is free documentation; you can redistribute it and/or
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.\" modify it under the terms of the GNU General Public License as
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.\" published by the Free Software Foundation; either version 2 of
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.\" the License, or (at your option) any later version.
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.\" %%%LICENSE_END
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.\"
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.\" References consulted:
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.\" GNU glibc-2 source code and manual
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.\" Dinkumware C library reference http://www.dinkumware.com/
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.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
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.\" ISO/IEC 9899:1999
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.\"
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.TH ISWCTYPE 3 2015-03-02 "GNU" "Linux Programmer's Manual"
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.SH NAME
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iswctype \- wide-character classification
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.SH SYNOPSIS
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.nf
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.B #include <wctype.h>
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.sp
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.BI "int iswctype(wint_t " wc ", wctype_t " desc );
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.fi
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.SH DESCRIPTION
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If
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.I wc
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is a wide character having the character property designated by
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.I desc
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(or in other words: belongs to the character class designated by
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.IR desc ),
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the
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.BR iswctype ()
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function returns nonzero.
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Otherwise, it
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returns zero.
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If
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.I wc
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is
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.BR WEOF ,
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zero is returned.
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.PP
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.I desc
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must be a character property descriptor
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returned by the
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.BR wctype (3)
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function.
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.SH RETURN VALUE
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The
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.BR iswctype ()
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function returns nonzero if
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the
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.I wc
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has the designated
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property.
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Otherwise, it returns 0.
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.SH ATTRIBUTES
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For an explanation of the terms used in this section, see
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.BR attributes (7).
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.TS
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allbox;
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lb lb lb
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l l l.
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Interface Attribute Value
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T{
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.BR iswctype ()
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T} Thread safety MT-Safe
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.TE
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.SH CONFORMING TO
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C99.
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.SH NOTES
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The behavior of
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.BR iswctype ()
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depends on the
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.B LC_CTYPE
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category of the
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current locale.
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.SH SEE ALSO
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.BR iswalnum (3),
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.BR iswalpha (3),
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.BR iswblank (3),
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.BR iswcntrl (3),
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.BR iswdigit (3),
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.BR iswgraph (3),
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.BR iswlower (3),
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.BR iswprint (3),
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.BR iswpunct (3),
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.BR iswspace (3),
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.BR iswupper (3),
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.BR iswxdigit (3),
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.BR wctype (3)
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