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NAME

       wcscspn - search a wide-character string for any of a set of wide characters

SYNOPSIS

       #include <wchar.h>

       size_t wcscspn(const wchar_t *wcs, const wchar_t *reject);

DESCRIPTION

       The  wcscspn()  function  is the wide-character equivalent of the strcspn(3) function.  It
       determines the length of the longest initial segment of wcs  which  consists  entirely  of
       wide-characters  not  listed  in  reject.   In  other  words,  it  searches  for the first
       occurrence in the wide-character string wcs of any of the characters in the wide-character
       string reject.

RETURN VALUE

       The  wcscspn()  function  returns  the  number  of  wide characters in the longest initial
       segment of wcs which consists entirely of wide-characters not listed in reject.  In  other
       words, it returns the position of the first occurrence in the wide-character string wcs of
       any of the characters in the wide-character string reject,  or  wcslen(wcs)  if  there  is
       none.

CONFORMING TO

       C99.

SEE ALSO

       strcspn(3), wcspbrk(3), wcsspn(3)

COLOPHON

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