wcwidth — determine columns needed for a wide character
#define _XOPEN_SOURCE #include <wchar.h>
int
wcwidth( |
wchar_t | c); |
The wcwidth() function
returns the number of columns needed to represent the wide
character c. If
c is a printable wide
character, the value is at least 0. If c is L'\0', the value is 0.
Otherwise −1 is returned.
This page is part of release 2.70 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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Copyright (c) Bruno Haible <haibleclisp.cons.org> This is free documentation; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 |