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wcwidth

man page of wcwidth

wcwidth: determine columns needed for a wide character

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'\0', 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 //www.kernel.org/doc/man-pages/. WCWIDTH(3)
 
 
 

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