_cost_fn
*costptr++ = _cost_fn(str_array[offsets[i++]], 1);
*costptr++ = _cost_fn(tparm_p1(str_array[offsets[i++]], 10), 1);
*costptr++ = _cost_fn(tparm_p2(cursor_address, 8, 10), 1);
*costptr++ = _cost_fn(tparm_p1(row_address, 8), 1);
_cost_fn(enter_insert_mode, 0),
_cost_fn(exit_insert_mode, 0));
insert_character, _cost_fn(insert_character, 1));
insert_padding, _cost_fn(insert_padding, 1));
static int _cost_fn(char *, int);
_cost_fn(enter_insert_mode, 0) + _cost_fn(exit_insert_mode, 0) : 0;
_cost_fn(enter_delete_mode, 0) + _cost_fn(exit_delete_mode, 0) : 0;