#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cstdio>
#define SYSTEMCODE 1

int main()
{
   char *str;
   /* Initial memory allocation */
   str = (char *) malloc(SYSTEMCODE + 5));
   strcpy(str, "tutorialspoint");
   printf("String = %s,  Address = %u\n", str, str);

   /* Reallocating memory */
   str = (char *) realloc(str, 25);
   strcat(str, ".com");
   printf("String = %s,  Address = %u\n", str, str);

   free(str);

   return(0);
}