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Command: wcswidth | Section: 3 | Source: MINIX | File: wcswidth.3
WCSWIDTH(3) FreeBSD Library Functions Manual WCSWIDTH(3)
NAME
wcswidth - number of column positions in wide-character string
LIBRARY
Standard C Library (libc, -lc)
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 n characters of pwcs, or until a nul wide
character (L'\0') is encountered.
RETURN VALUES
The wcswidth() function returns 0 if pwcs is an empty string (L""), -1 if
a non-printing wide character is encountered, otherwise it returns the
number of column positions occupied.
SEE ALSO
iswprint(3), wcwidth(3)
STANDARDS
The wcswidth() function conforms to IEEE Std 1003.1-2001 ("POSIX.1").
FreeBSD 14.1-RELEASE-p8 August 20, 2002 FreeBSD 14.1-RELEASE-p8