// this example illustrates a way to make the copy of a string
#include <stdio.h>
#include <stdlib.h>
int string_length(char * my_string)
{
  int counter = 0;
  while(1)
  {
    if (my_string[counter] != 0)
    {
      counter++;
    }
    else
    {
      break;
    }
  }

  return counter;
}


char * copy_string(char * text)
{
  int length = string_length(text);
  char * temp = (char *) malloc(sizeof(char) * length);

  int i;
  // note that we have to put i <= length, not i < length,
  // so that the NULL character at the end also gets copied.
  for (i=0; i <= length; i++)
  {
    temp[i] = text[i];
  }

  return temp;
}


int main()
{
  int array_size;
  int string_length;
  char * text = "Welcome to CSE 1311";
  char * text_copy = copy_string(text);
  printf("the copy of %s is %s\n", text, text_copy);

  free(text_copy);
}