wcscspn(3)                                                   wcscspn(3)

  wcscspn()

  NAME

    wcscspn() - span the complement of a wide-character string

  SYNOPSIS

    #include 

    size_t wcscspn (const wchar_t *ws, const wchar_t *charset)

  DESCRIPTION

    The wcscspn(3) function spans the initial part of the wide-character
    string ws as long as the characters from ws do not occur in wide-character
    string charset (it spans the complement of charset).

  RETURN VALUES

    The wcscspn(3) function returns the number of characters spanned.

  SEE ALSO

    memchr(3)

    wcschr(3)

    wcspbrk(3)

    wcsrchr(3)

    wcssep(3)

    wcsspn(3)

    wcsstr(3)

    wcstok(3)

  USAGE NOTES

    The wcscspn function is thread safe.

    The wcscspn function is not async-signal safe.