NAME
wcsspn - advance in a wide-character string, skipping
any of a set of wide characters
SYNOPSIS
#include <wchar.h>
I wcsspn(const wchar_t * wcs , const wchar_t * accept );
DESCRIPTION
The
R 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-character string
wcs of a wide-character not contained in the wide-character string
accept.
RETURN VALUE
The
R wcsspn ()
function returns the number of
wide characters in the longest
initial segment of wcs which consists entirely of wide-characters listed
in accept.
In other words, it returns the position of the first
occurrence in the wide-character string wcs of a wide-character not
contained in the wide-character string accept, or wcslen(wcs)
if there is none.
CONFORMING TO
C99.
SEE ALSO