WCSSPN (3)
advance in a wide-character string, skipping any of a set of wide characters
SYNOPSIS
#include <wchar.h>
wcsspn (const wchar_t * wcs , const wchar_t * accept );
DESCRIPTION
The wcsspn function is the wide-character equivalent of the strspn
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 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
SEE ALSO
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