#include <stdio.h>
#include <stdlib.h>

int
main ()
{
  char *list_ptr;
  int list_length;
  int i = 0;

  printf ("Enter the length of the string: ");
  scanf ("%d", &list_length);
  list_ptr = malloc (list_length+1);
  getchar (); 

  if (list_length > 0)
  {
    printf ("Enter the string (max length) %d: ", list_length);

    do
    {
      list_ptr[i] = getchar();
      i++;
    } while (i < list_length);

    i = 0;
    while (i < list_length)
    {
      printf ("%c", list_ptr[i]);
      i++;
    }
    printf ("\n");
  }
}