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wcswidth(3) [php man page]

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. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +-----------+---------------+----------------+ |Interface | Attribute | Value | +-----------+---------------+----------------+ |wcswidth() | Thread safety | MT-Safe locale | +-----------+---------------+----------------+ CONFORMING TO
POSIX.1-2001, POSIX.1-2008. NOTES
The behavior of wcswidth() depends on the LC_CTYPE category of the current locale. SEE ALSO
iswprint(3), wcwidth(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2015-08-08 WCSWIDTH(3)

Check Out this Related Man Page

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. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +-----------+---------------+----------------+ |Interface | Attribute | Value | +-----------+---------------+----------------+ |wcswidth() | Thread safety | MT-Safe locale | +-----------+---------------+----------------+ CONFORMING TO
POSIX.1-2001, POSIX.1-2008. NOTES
The behavior of wcswidth() depends on the LC_CTYPE category of the current locale. SEE ALSO
iswprint(3), wcwidth(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2015-08-08 WCSWIDTH(3)
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