WCSWIDTH

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO
NOTES

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 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 current locale.