wcscspn(3)                 Library Functions Manual                 wcscspn(3)

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

LIBRARY
       Standard C library (libc, -lc)

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.

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

       +--------------------------------------------+---------------+---------+
       |Interface                                   | Attribute     | Value   |
       +--------------------------------------------+---------------+---------+
       |wcscspn ()                                  | Thread safety | MT-Safe |
       +--------------------------------------------+---------------+---------+
STANDARDS
       C11, POSIX.1-2008.

HISTORY
       POSIX.1-2001, C99.

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

Linux man-pages 6.7               2023-10-31                        wcscspn(3)