WCSNCASECMP
Section: Linux Programmer's Manual (3)
Updated: 2009-02-04
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NAME
wcsncasecmp - compare two fixed-size wide-character strings, ignoring case
SYNOPSIS
#define _GNU_SOURCE
#include <wchar.h>
int wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n);
DESCRIPTION
The
wcsncasecmp()
function is the wide-character equivalent of the
strncasecmp(3)
function.
It compares the wide-character string pointed to
by s1 and the wide-character string
pointed to by s2, but at most
n wide characters from each string, ignoring case differences
(towupper(3),
towlower(3)).
RETURN VALUE
The
wcsncasecmp()
function returns zero
if the wide-character strings at
s1 and s2,
truncated to at most length n, are equal except
for case distinctions.
It returns a positive integer if truncated s1 is
greater than truncated s2, ignoring case.
It returns a negative integer
if truncated s1 is smaller than truncated s2, ignoring case.
CONFORMING TO
POSIX.1-2008.
This function is not specified in POSIX.1-2001,
and is not widely available on other systems.
NOTES
The behavior of
wcsncasecmp()
depends on the
LC_CTYPE
category of the
current locale.
SEE ALSO
strncasecmp(3),
wcsncmp(3)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
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