#include <stdio.h>
int main()
{
int* ab;
int m;
m=29;
printf("\n\n Pointer : How to handle the pointers in the program :\n");
printf("------------------------------------------------------------\n");
printf(" Here in the declaration ab = int pointer, int m= 29\n\n");
printf(" Address of m : %p\n",&m);
printf(" Value of m : %d\n\n",m);
ab=&m;
printf(" Now ab is assigned with the address of m.\n");
printf(" Address of pointer ab : %p\n",ab);
printf(" Content of pointer ab : %d\n\n",*ab);
m=34;
printf(" The value of m assigned to 34 now.\n");
printf(" Address of pointer ab : %p\n",ab);
printf(" Content of pointer ab : %d\n\n",*ab);
*ab=7;
printf(" The pointer variable ab is assigned the value 7 now.\n");
printf(" Address of m : %p\n",&m);//as ab contain the address of m
//so *ab changed the value of m and now m become 7
printf(" Value of m : %d\n\n",m);
return 0;
}
