6-1.lst

一些简单的c51程序

C51 COMPILER V7.09   6_1                                                                   08/25/2005 13:43:31 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 6_1
OBJECT MODULE PLACED IN 6-1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 6-1.c LARGE BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <REG52.H>                
   2          #include <stdlib.h>
   3          #include <string.h>
   4          #include <stdio.h>
   5          
   6          void main (void) {
   7   1      
   8   1              char *ptr1[4],*temp;
   9   1              int i,j;
  10   1      
  11   1              init_mempool (0x1000,0x500);   
  12   1              for (i=0;i<4;i++)
  13   1              {
  14   2                      ptr1[i] = malloc(20);    //为指针数组各指针分配20字节的存储空间
  15   2      //              gets(ptr1[i],20);
  16   2              }
  17   1              printf("\n") ;
  18   1              printf("original string:\n");
  19   1              for(i=0;i<4;i++)
  20   1                      printf("%s\n",ptr1[i]) ;
  21   1              printf("ordinal string:\n");
  22   1              for( i = 0 ; i < 3 ; i++)
  23   1                      for( j = 0 ; j < 4 - i - 1 ; j++)
  24   1                              if(strcmp(ptr1[j],ptr1[j+1])>0)
  25   1                              {
  26   2                                      temp=ptr1[j];   
  27   2      //利用指向字符串的指针，进行指针地//址的交换
  28   2                                      ptr1[j]=ptr1[j+1] ;
  29   2                                      ptr1[j+1]=temp;
  30   2                              }
  31   1              for( i=0;i<4;i++)                     //字符串输出
  32   1                      printf("%s\n" , ptr1[i]);
  33   1          while (1) {};
  34   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    615    ----
   CONSTANT SIZE    =     41    ----
   XDATA SIZE       =   ----      19
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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