wcscspn(3) — Linux manual page

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)

COLOPHON

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Linux man-pages 6.9.1          2024-05-02                     wcscspn(3)

Pages that refer to this page: strspn(3), wcspbrk(3), wcsspn(3), signal-safety(7)

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