Man Wcswidth en anglais
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 

       int wcswidth(const wchar_t *s, size_t n);

 

DESCRIPTION






       The wcswidth() function returns the number of columns needed to  repre-
       sent  the  wide-character  string  pointed  to by s, but at most n wide
       characters.  If a non-printable wide character occurs among these char-
       acters, -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 cur-
       rent locale.

 

SEE ALSO


       iswprint(3), wcwidth(3)

 

COLOPHON


       This  page  is  part of release 3.05 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)