#include <iostream.h>
#include <conio.h>
#include<stdio.h>
#include<malloc.h>
#include <string.h>
struct NODE   //define a structure
 {
 char *line;
 struct NODE *next;
 };

void  prin_list (NODE *first,FILE *fout) //func. that prints list
{
 struct NODE *ptr;                      //pointer to structure NODE
 for (ptr=first ; ptr!=NULL ; ptr=ptr->next)
   {
    fputs(ptr->line,fout);

   }
}

 int address (NODE *help)
{
 struct NODE *prt;
 prt=help->next;
 if (prt!=NULL) address(prt);
 printf("%s \n",help->line);
 return (0);
}

struct NODE* input(FILE *fin)
{
 struct NODE *first;
 struct NODE *node ;
 int v;
 char res[1026];   //reservation of memory for char
 first=NULL ;
 while (1)
 {
   node =(struct NODE *) calloc (1,sizeof(NODE));
   if(fgets(res,1024,fin)==NULL) return (first);
   res[1025]=0;
   node->line=(char*)calloc(strlen(res)+1,sizeof(char));
   strcpy(node->line,res);

   node->next=NULL;
   if (first==NULL)
    first=node;
   else{
	node->next=first;
	first=node;
   }
  }
  return(first);
}


int main ()
{

  char file1[]="test1.txt",file2[]="test2.txt";//test1.txt-file for reading
  FILE* fout;                                  //test2.txt-output file
  FILE* fin;
  clrscr();                               //clear screen
  struct NODE *first;    //first it's pointer to structure NODE
  fin=fopen(file1,"r"); //fin it's pointer to begining of file test1.txt
  if(fin ==NULL)
   {
    printf("Can't open source file!");
    return (0);
   }

  fout=fopen(file2,"r+");
  if(fout==NULL)
   {
     printf("Can not write to file !");
     return(0);
   }
  first=input(fin);
  prin_list(first,fout);
  fclose(fout);
  fclose(fin);
  return (0);
 }