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WCSWIDTH(3) | Linux Programmer's Manual | WCSWIDTH(3) |
NAME¶
wcswidth - determine columns needed for a fixed-size wide-character string
SYNOPSIS¶
#define _XOPEN_SOURCE /* See feature_test_macros(7) */ #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 characters. If a nonprintable 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¶
POSIX.1-2001.
NOTES¶
The behavior of wcswidth() depends on the LC_CTYPE category of the current locale.
SEE ALSO¶
COLOPHON¶
This page is part of release 3.53 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/.
2010-09-10 | GNU |