橘子味的心
标题:指针的指针

指针的指针

#include <stdio.h>



int main () {



   int  var;

   int  *ptr;

   int  **pptr;



   var = 3000;



   /* take the address of var */

   ptr = &var;



   /* take the address of ptr using address of operator & */

   pptr = &ptr;



   /* take the value using pptr */

   printf("Value of var = %d\n", var );

   printf("Value available at *ptr = %d\n", *ptr );

   printf("Value available at **pptr = %d\n", **pptr);



   return 0;

}

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