grapheme_memnstr_grapheme  365 intl/grapheme/grapheme_util.c 	ret_pos = grapheme_memnstr_grapheme(bi, puhaystack, uneedle, uneedle_len, puhaystack + uhaystack_len );
grapheme_memnstr_grapheme   43 intl/grapheme/grapheme_util.h grapheme_memnstr_grapheme(UBreakIterator *bi, UChar *haystack, UChar *needle, int32_t needle_len, UChar *end);