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-'\" t
-.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-or-later
-.\"
-.\" References consulted:
-.\" GNU glibc-2 source code and manual
-.\" Dinkumware C library reference http://www.dinkumware.com/
-.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
-.\"
-.TH wcwidth 3 (date) "Linux man-pages (unreleased)"
-.SH NAME
-wcwidth \- determine columns needed for a wide character
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _XOPEN_SOURCE" " /* See feature_test_macros(7) */"
-.B #include <wchar.h>
-.P
-.BI "int wcwidth(wchar_t " c );
-.fi
-.SH DESCRIPTION
-The
-.BR wcwidth ()
-function returns the number of columns
-needed to represent the wide character
-.IR c .
-If
-.I c
-is a printable wide character, the value
-is at least 0.
-If
-.I c
-is null wide character (L\[aq]\e0\[aq]), the value is 0.
-Otherwise, \-1 is returned.
-.SH RETURN VALUE
-The
-.BR wcwidth ()
-function returns the number of
-column positions for
-.IR c .
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR wcwidth ()
-T} Thread safety MT-Safe locale
-.TE
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001.
-.P
-Note that before glibc 2.2.5, glibc used the prototype
-.P
-.nf
-.BI "int wcwidth(wint_t " c );
-.fi
-.SH NOTES
-The behavior of
-.BR wcwidth ()
-depends on the
-.B LC_CTYPE
-category of the
-current locale.
-.SH SEE ALSO
-.BR iswprint (3),
-.BR wcswidth (3)