02-04-2019
That means that, whatever you are doing, you have no entries for IP tables.
In other words, you are running "wide open" with nothing blocked, filtered, or managed.
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LEARN ABOUT DEBIAN
wcsspn
WCSSPN(3) Linux Programmer's Manual WCSSPN(3)
NAME
wcsspn - advance in a wide-character string, skipping any of a set of wide characters
SYNOPSIS
#include <wchar.h>
size_t wcsspn(const wchar_t *wcs, const wchar_t *accept);
DESCRIPTION
The wcsspn() function is the wide-character equivalent of the strspn(3) function. It determines the length of the longest initial segment
of wcs which consists entirely of wide-characters listed in accept. In other words, it searches for the first occurrence in the wide-char-
acter string wcs of a wide-character not contained in the wide-character string accept.
RETURN VALUE
The wcsspn() function returns the number of wide characters in the longest initial segment of wcs which consists entirely of wide-charac-
ters listed in accept. In other words, it returns the position of the first occurrence in the wide-character string wcs of a wide-charac-
ter not contained in the wide-character string accept, or wcslen(wcs) if there is none.
CONFORMING TO
C99.
SEE ALSO
strspn(3), wcscspn(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
1999-07-25 WCSSPN(3)