Manpage of WCWIDTH

WCWIDTH

Section: Linux Programmer's Manual (3)
Updated: 2015-08-08
Index
 

NAME

wcwidth - determine columns needed for a wide character  

SYNOPSIS

#define _XOPEN_SOURCE       /* See feature_test_macros(7) */
#include <wchar.h>int wcwidth(wchar_t c);
 

DESCRIPTION

The wcwidth() function returns the number of columns needed to represent the wide character c. If cis a printable wide character, the value is at least 0. If cis null wide character (Laq\0aq), the value is 0. Otherwise, -1 is returned.  

RETURN VALUE

The wcwidth() function returns the number of column positions for c.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
wcwidth() Thread safetyMT-Safe locale
 

CONFORMING TO

POSIX.1-2001, POSIX.1-2008.

Note that glibc before 2.2.5 used the prototype

int wcwidth(wint_t c);
 

NOTES

The behavior of wcwidth() depends on the LC_CTYPEcategory of the current locale.  

SEE ALSO

iswprint(3), wcswidth(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 22:27:51 GMT, June 20, 2016 Click Here!