Manual Reference Pages  - WCSWIDTH (3)

NAME

wcswidth - determine columns needed for a fixed-size wide-character string

CONTENTS

Synopsis
Description
Notes
Colophon

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.

CONFORMING TO

POSIX.1-2001.

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 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


GNU WCSWIDTH (3) 2010-09-10
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