WCSWIDTH(3)                                         Linux Programmer's Manual                                        WCSWIDTH(3)



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

SYNOPSIS
       #define _XOPEN_SOURCE
       #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 3.25 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                                                        2007-07-26                                                WCSWIDTH(3)