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 represent the wide-character string pointed to by s, but at most n wide char-
acters. 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.
GNU
1999-07-25 WCSWIDTH(3)
