A variable that points to the value contained in a certain address in memory. code example
Example: pointer to an address
#include <stdio.h>
int main()
{
/* Pointer of integer type, this can hold the
* address of a integer type variable.
*/
int *p;
int var = 10;
/* Assigning the address of variable var to the pointer
* p. The p can hold the address of var because var is
* an integer type variable.
*/
p= &var;
printf("Value of variable var is: %d", var);
printf("\nValue of variable var is: %d", *p);
printf("\nAddress of variable var is: %p", &var);
printf("\nAddress of variable var is: %p", p);
printf("\nAddress of pointer p is: %p", &p);
return 0;
}