1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
3 .\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
4 .\" This is free documentation; you can redistribute it and/or
5 .\" modify it under the terms of the GNU General Public License as
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10 .\" References consulted:
11 .\" GNU glibc-2 source code and manual
12 .\" Dinkumware C library reference http://www.dinkumware.com/
13 .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
15 .TH WCSWIDTH 3 2010-09-10 "GNU" "Linux Programmer's Manual"
17 wcswidth \- determine columns needed for a fixed-size wide-character string
20 .BR "#define _XOPEN_SOURCE" " /* See feature_test_macros(7) */"
23 .BI "int wcswidth(const wchar_t *" s ", size_t " n );
29 number of columns needed to represent
30 the wide-character string pointed to by \fIs\fP, but at most \fIn\fP wide
32 If a nonprintable wide character occurs among these characters,
38 returns the number of column positions for the
39 wide-character string \fIs\fP, truncated to at most length \fIn\fP.