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wcscspn(3)

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
       attributes(7).

       allbox;  lb  lb  lb  l  l  l.   Interface Attribute Value  T{ wcscspn()
       T}   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 5.02 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)
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