#include <stdio.h>

int main(void) {
  char **ptr;
  int n,m;
  char *temp;
  char *string1 = "BOOK";
  char *string2 = "FOR";
  char *string3 = "YOU";
  
  ptr = temp;
  
  printf("\n ptr 的位址 = %p\n",ptr);
  for(n=0 ; n<3 ;n++)
  {
          printf("\n *(ptr+%d)所存的位址 = %p\n",n,*(ptr+n));
          printf("*(ptr+%d)指向字串 %s\n",n,*(ptr+n));
          
          for(m=0 ; *(*(ptr+n)+m) != '\0'; m++)
          printf("*(*(ptr+%d)+%d) = %c \n",n,m,*(*(ptr+n)+m)) ;
          }
	return 0;
}