ex4-18.c

这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》教材各章中列出的全部程序例子。

    #include<stdio.h>
    main()  {
      float T[3][4]=
       {
         {60.1,70.3,80.5,90.7},{30.0,40.1,50.2,60.3}, {90.0,80.2,70.4,60.6}
       };
      float * search(float (* pointer)[4], int n);
      float * p;
      int i, m;
      printf("Enter the number of chanal: ");
      scanf("%d", &m);
      printf("\n The temperature of chanal %d are: \n", m);
      p=search(T, m);
      for (i=0; i<4; i++)
      	 printf("%5.1f  ", *(p+i));
      while(1);
     }

    float * search (float (* pointer)[4], int n)
     {
      float *pt;
      pt= * (pointer+n);
      return(pt);
     }