.\"	$NetBSD: wcscasecmp.3,v 1.6 2016/07/14 16:09:56 abhinav Exp $
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.\"     from: @(#)wcscasecmp.3	8.1 (Berkeley) 6/9/93
.\"
.Dd July 13, 2016
.Dt WCSCASECMP 3
.Os
.Sh NAME
.Nm wcscasecmp ,
.Nm wcsncasecmp
.Nd compare wide-character strings, ignoring case
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In wchar.h
.Ft int
.Fn wcscasecmp "const wchar_t *s1" "const wchar_t *s2"
.Ft int
.Fn wcsncasecmp "const wchar_t *s1" "const wchar_t *s2" "size_t len"
.Sh DESCRIPTION
The
.Fn wcscasecmp
and
.Fn wcsncasecmp
functions
compare the nul-terminated strings
.Fa s1
and
.Fa s2
and return an integer greater than, equal to, or less than 0,
according to whether
.Fa s1
is lexicographically greater than, equal to, or less than
.Fa s2
after translation of each corresponding character to lower-case.
The strings themselves are not modified.
.Pp
The
.Fn wcsncasecmp
function compares at most
.Fa len
characters.
.Sh SEE ALSO
.Xr wcscmp 3
.Sh STANDARDS
The
.Fn wcscasecmp
and
.Fn wcsncasecmp
functions conform to
.St -p1003.1-2008 .
.Sh HISTORY
The
.Fn wcscasecmp
and
.Fn wcsncasecmp
functions first appeared in
.Nx 4.0 .
.Sh NOTES
If
.Fa len
is 0,
.Fn wcsncasecmp
always returns 0.