iter_func 385 ext/intl/grapheme/grapheme_string.c int32_t (*iter_func)(UBreakIterator *); iter_func 453 ext/intl/grapheme/grapheme_string.c iter_func = ubrk_previous; iter_func 458 ext/intl/grapheme/grapheme_string.c iter_func = ubrk_next; iter_func 465 ext/intl/grapheme/grapheme_string.c sub_str_start_pos = iter_func(bi); iter_func 525 ext/intl/grapheme/grapheme_string.c iter_func = ubrk_previous; iter_func 530 ext/intl/grapheme/grapheme_string.c iter_func = ubrk_next; iter_func 537 ext/intl/grapheme/grapheme_string.c sub_str_end_pos = iter_func(bi);