The wcspbrk() function is the wide-character equivalent of
the strpbrk(3) function. It searches for the first occurrence in the
wide-character string pointed to by wcs of any of the characters in
the wide-character string pointed to by accept.
RETURN VALUE
The wcspbrk() function returns a pointer to the first
occurrence in wcs of any of the characters listed in accept.
If wcs contains none of these characters, NULL is returned.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).