Visit The New, Modern Unix Linux Community

Linux and UNIX Man Pages

Test Your Knowledge in Computers #510
Difficulty: Easy
Variable names cannot be the same as any reserved word as the language would not be able to distinguish between them.
True or False?
Linux & Unix Commands - Search Man Pages

wcwidth(3) [linux man page]

WCWIDTH(3)						     Linux Programmer's Manual							WCWIDTH(3)

NAME
wcwidth - determine columns needed for a wide character SYNOPSIS
#define _XOPEN_SOURCE #include <wchar.h> int wcwidth(wchar_t c); DESCRIPTION
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'', the value is 0. Otherwise -1 is returned. RETURN VALUE
The wcwidth() function returns the number of column positions for c. CONFORMING TO
POSIX.1-2001. Note that glibc before 2.2.5 used the prototype int wcwidth(wint_t c); NOTES
The behavior of wcwidth() depends on the LC_CTYPE category of the current locale. SEE ALSO
iswprint(3), wcswidth(3), feature_test_macros(7) COLOPHON
This page is part of release 3.27 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/. GNU
1999-07-25 WCWIDTH(3)

Check Out this Related Man Page

WCWIDTH(3)						     Linux Programmer's Manual							WCWIDTH(3)

NAME
wcwidth - determine columns needed for a wide character SYNOPSIS
#define _XOPEN_SOURCE /* See feature_test_macros(7) */ #include <wchar.h> int wcwidth(wchar_t c); DESCRIPTION
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 null wide character (L''), the value is 0. Otherwise -1 is returned. RETURN VALUE
The wcwidth() function returns the number of column positions for c. CONFORMING TO
POSIX.1-2001. Note that glibc before 2.2.5 used the prototype int wcwidth(wint_t c); NOTES
The behavior of wcwidth() depends on the LC_CTYPE category of the current locale. SEE ALSO
iswprint(3), wcswidth(3) COLOPHON
This page is part of release 3.44 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/. GNU
2011-09-28 WCWIDTH(3)

Featured Tech Videos