main.lst

c51指针练习程序

C51 COMPILER V7.50   MAIN                                                                  09/17/2008 17:25:33 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include <REGX55.H>
   3          
   4          typedef struct 
   5           {
   6            unsigned char year;
   7            unsigned char month;
   8            unsigned char day;
   9            }DATE;
  10          
  11            xdata DATE date;
  12            data  DATE date1;
  13            data char d[3] ={'x','y','z'}; 
  14            xdata  char b[3]  _at_  0x200;
  15          main()
  16             {
  17   1          date1.year = 'y';
  18   1              date1.month= 'm';
  19   1              date1.day  = 'd';
  20   1         
  21   1              date = date1;
  22   1          *((DATE data *)0x200) =*((DATE*)d);
*** WARNING C260 IN LINE 22 OF MAIN.C: pointer truncation
  23   1          *((DATE*)b) = date1;
  24   1              while(1);
  25   1         
  26   1         }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     68    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =      3    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)