wcspbrk - search a wide-character string for any of a set of wide characters
wchar_t *wcspbrk(const wchar_t *wcs, const wchar_t *accept);
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.
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.
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2001, POSIX.1-2008, C99.
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