求助UF_ROUTE_ask_characteristics的用法

last_pupu

UF_ROUTE_ask_characteristics试了很久都用不起来
2 o" p; k& i* {0 G! y  UF_UI_open_listing_window();
UF_ROUTE_ask_part_segs(part,&num_part_segs,&part_segs);
& o/ U" o# l& c) R1 Bfor (i=0;i<num_part_segs;i++)
{
   fail_code=UF_ROUTE_ask_characteristics(part_segs[i],UF_ROUTE_CHARX_TYPE_ANY,&charx_count,&list);
   UF_get_fail_message(fail_code,message);
    uc1601(message,1);
   length=fcvt(charx_count,0,&nDec,&nSign);
. _) x8 k- f( y2 P5 e/ P   fail_code=UF_UI_write_listing_window(length);
   UF_get_fail_message(fail_code,message);
! p2 y' |$ S5 g" k! ^    uc1601(message,1);
    UF_UI_write_listing_window("\n");
   UF_ROUTE_free_charx_array(charx_count,list);
# N: I2 ~- t2 L/ |7 s}
没有出错，但是最终除了空白窗口之外什么都没有显示，请大家指教