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wcwidth
Langue: en
Version: 1999-07-25 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
NAME
wcwidth - determine columns needed for a wide characterSYNOPSIS
#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 Laq\0aq, 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
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