xref: /openbsd-src/lib/libc/string/wcscmp.3 (revision 64d4e9871d1af4e50715ace8f2f237ff8e4d36e0)

.\"	$OpenBSD: wcscmp.3,v 1.3 2013/06/05 03:39:23 tedu Exp $
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.Dd $Mdocdate: June 5 2013 $
.Dt WCSCMP 3
.Os
.Sh NAME
.Nm wcscmp ,
.Nm wcsncmp
.Nd compare wide strings
.Sh SYNOPSIS
.In wchar.h
.Ft int
.Fn wcscmp "const wchar_t *s1" "const wchar_t *s2"
.Ft int
.Fn wcsncmp "const wchar_t *s1" "const wchar_t *s2" "size_t len"
.Sh DESCRIPTION
The
.Fn wcscmp
and
.Fn wcsncmp
functions lexicographically compare the wide strings
.Fa s1
and
.Fa s2 .
The
.Fn wcsncmp
function compares at most
.Fa len
wide characters.
.Sh RETURN VALUES
The
.Fn wcscmp
and
.Fn wcsncmp
functions return an integer greater than, equal to, or less than 0, according
to whether the wide string
.Fa s1
is greater than, equal to, or less than the wide string
.Fa s2 .
.Sh SEE ALSO
.Xr strcmp 3 ,
.Xr wcscasecmp 3 ,
.Xr wmemcmp 3
.Sh STANDARDS
The
.Fn wcscmp
and
.Fn wcsncmp
functions conform to
.St -isoC-99
and were first introduced in
.St -isoC-amd1 .
.Sh HISTORY
The
.Fn wcscmp
and
.Fn wcsncmp
functions were ported from
.Nx
and first appeared in
.Ox 3.8 .