wcspbrk
wchar_t *wcspbrk(const wchar_t *, const wchar_t *);
ATF_TC(wcspbrk);
ATF_TC_HEAD(wcspbrk, tc)
ATF_TC_BODY(wcspbrk, tc)
ATF_CHECK_EQ(wcspbrk(s, L""), NULL);
ATF_CHECK_EQ(wcspbrk(s, L"qrst"), NULL);
ATF_CHECK_EQ(wcspbrk(s, L"a"), s);
ATF_CHECK_EQ(wcspbrk(s, L"b"), s + 1);
ATF_CHECK_EQ(wcspbrk(s, L"ab"), s);
ATF_CHECK_EQ(wcspbrk(s, L"cdef"), s + 2);
ATF_CHECK_EQ(wcspbrk(s, L"fedc"), s + 2);
ATF_TP_ADD_TC(tp, wcspbrk);