Dynamic3.c

#include<stdio.h>   //standard input output
#include<stdlib.h>  //standard library

int main()
{
    int *ptr = NULL;

    //step1 : allocate the memory
    ptr = (int *)calloc(5, sizeof(int));

    //step2 : use the memory

    //step3 : deallocate the memory
    free(ptr);

    return 0;

}