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WCSCSPN(3)                 Linux Programmer's Manual                WCSCSPN(3)

NAME
       wcscspn - search a wide-character string for any of a set of wide char-
       acters

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  strc-
       spn(3)  function.  It determines the length of the longest initial seg-
       ment 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-charac-
       ter 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-charac-
       ters  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.

ATTRIBUTES
       For an  explanation  of  the  terms  used  in  this  section,  see  at-
       tributes(7).

       +----------+---------------+---------+
       |Interface | Attribute     | Value   |
       +----------+---------------+---------+
       |wcscspn() | Thread safety | MT-Safe |
       +----------+---------------+---------+
CONFORMING TO
       POSIX.1-2001, POSIX.1-2008, C99.

SEE ALSO
       strcspn(3), wcspbrk(3), wcsspn(3)

COLOPHON
       This  page  is  part of release 5.05 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest     version     of     this    page,    can    be    found    at
       https://www.kernel.org/doc/man-pages/.

GNU                               2015-08-08                        WCSCSPN(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON