717   hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input;  in match_input()  local
718   skippy_iter.reset (buffer->idx, count - 1);  in match_input()
719   skippy_iter.set_match_func (match_func, match_data, input);  in match_input()
750     if (!skippy_iter.next ()) return_trace (false);  in match_input()
752     match_positions[i] = skippy_iter.idx;  in match_input()
754     unsigned int this_lig_id = _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]);  in match_input()
755     unsigned int this_lig_comp = _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]);  in match_input()
771     is_mark_ligature = is_mark_ligature && _hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx]);  in match_input()
772     total_component_count += _hb_glyph_info_get_lig_num_comps (&buffer->info[skippy_iter.idx]);  in match_input()
775   *end_offset = skippy_iter.idx - buffer->idx + 1;  in match_input()
891   hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;  in match_backtrack()  local
892   skippy_iter.reset (c->buffer->backtrack_len (), count);  in match_backtrack()
893   skippy_iter.set_match_func (match_func, match_data, backtrack);  in match_backtrack()
896     if (!skippy_iter.prev ())  in match_backtrack()
911   hb_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_context;  in match_lookahead()  local
912   skippy_iter.reset (c->buffer->idx + offset - 1, count);  in match_lookahead()
913   skippy_iter.set_match_func (match_func, match_data, lookahead);  in match_lookahead()
916     if (!skippy_iter.next ())  in match_lookahead()