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May 25th. 2007:
April, 26th. 2006:
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WCSWIDTH
Section: Linux Programmer's Manual (3) Updated: 2015-08-08 Index
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NAME
wcswidth - determine columns needed for a fixed-size wide-character string
SYNOPSIS
#define _XOPEN_SOURCE /* See feature_test_macros(7) */
#include <wchar.h>
int wcswidth(const wchar_t *s, size_t n);
DESCRIPTION
The
wcswidth()
function returns the
number of columns needed to represent
the wide-character string pointed to by
s,
but at most
n
wide
characters.
If a nonprintable wide character occurs among these characters,
-1 is returned.
RETURN VALUE
The
wcswidth()
function
returns the number of column positions for the
wide-character string
s,
truncated to at most length
n.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
wcswidth()
| Thread safety | MT-Safe locale
|
CONFORMING TO
POSIX.1-2001, POSIX.1-2008.
NOTES
The behavior of
wcswidth()
depends on the
LC_CTYPE
category of the
current locale.
SEE ALSO
iswprint(3),
wcwidth(3)
COLOPHON
This page is part of release 4.13 of the Linux
man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
https://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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