wcswidth
- number of column positions in wide-character string
LIBRARY
Lb libc
SYNOPSIS
#include <wchar.h> int
wcswidth (const wchar_t *pwcs size_t n);
DESCRIPTION
The
wcswidth ();
function determines the number of column positions required for the first
Fa n
characters of
Fa pwcs ,
or until a null wide character (L'\0') is encountered.
RETURN VALUES
The
wcswidth ();
function returns 0 if
Fa pwcs
is an empty string (L""),
-1 if a non-printing wide character is encountered,
otherwise it returns the number of column positions occupied.
