wcswidth

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



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  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
       UNIX98

SEE ALSO
       wcwidth(3), iswprint(3)

NOTES
       The behaviour of wcswidth depends on the LC_CTYPE category of the cur-
       rent locale.



GNU				  1999-07-25			  WCSWIDTH(3)