WCSWIDTH

Section: Linux Programmer's Manual (3)
Updated: 1999-07-25
Index Return to Main Contents
 

NAME

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

SYNOPSIS

#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 non-printable 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.  

SEE ALSO

iswprint(3), wcwidth(3)  

NOTES

The behaviour of wcswidth() depends on the LC_CTYPE category of the current locale.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO
NOTES

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