code:
#include<stdio.h>
int main()
{
int var=5;
int* p; //p is integer pointer which is addresss of some variable
printf("%p\n",&var); //address of var
p=&var;
printf("%d\n",var); //5
printf("%d\n",*p); //5
*p=12;
printf("%d\n",var); //12
*p=*p+1;
printf("%d\n",var); //13
printf("%d\n",&var);
printf("%d\n",p); //address of p/var
p=p+1;
printf("%d\n",p); //4bytes of address increased
printf("%d\n",&var); //eta constant p er ta change hobe cz oita alga :p
return 0;
}