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



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 posi-
       tions for the wide-character string  s,  truncated  to  at
       most length n.

CONFORMING TO
       UNIX98

SEE ALSO
       wcwidth(h), iswprint(t)

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



GNU                         1999-07-25                WCSWIDTH(H)