mirror of https://github.com/mkerrisk/man-pages
70 lines
1.6 KiB
Groff
70 lines
1.6 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 WCSCMP 3 2013-12-02 "GNU" "Linux Programmer's Manual"
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.SH NAME
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wcscmp \- compare two wide-character strings
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.SH SYNOPSIS
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.nf
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.B #include <wchar.h>
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.sp
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.BI "int wcscmp(const wchar_t *" s1 ", const wchar_t *" s2 );
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.fi
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.SH DESCRIPTION
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The
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.BR wcscmp ()
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function is the wide-character equivalent
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of the
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.BR strcmp (3)
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function.
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It compares the wide-character string pointed to by
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.I s1
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and the
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wide-character string pointed to by
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.IR s2 .
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.SH RETURN VALUE
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The
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.BR wcscmp ()
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function returns zero if the wide-character strings at
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.I s1
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and
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.I s2
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are equal.
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It returns an integer greater than zero if
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at the first differing position
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.IR i ,
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the corresponding wide-character
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.I s1[i]
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is greater than
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.IR s2[i] .
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It returns an integer less than zero if
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at the first differing position
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.IR i ,
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the corresponding wide-character
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.I s1[i]
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is less than
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.IR s2[i] .
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.SH ATTRIBUTES
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.SS Multithreading (see pthreads(7))
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The
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.BR wcscmp ()
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function is thread-safe.
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.SH CONFORMING TO
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C99.
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.SH SEE ALSO
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.BR strcmp (3),
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.BR wcscasecmp (3),
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.BR wmemcmp (3)
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