void copy int FILE fopen save txt for getmaxx for getmaxy -50 fprintf

void copy()
   {
     int x,y;
     FILE*f;

     f = fopen("save.txt","w+");
     for (x=0;x<getmaxx();x++)
	 for (y=0;y<getmaxy()-50;y++)
	 {
	   fprintf(f,"%d",getpixel(x,y));
	   fprintf(f,"\n");
	 }
   }
   
   void paste()
   {
     int x,y,color;
     FILE *f;
     f=fopen("save.txt","r");
     for (x=0;x<getmaxx();x++)
	 for (y=0;y<getmaxy()-50;y++)
	 {
	   fscanf(f,"%d",&color);
	   putpixel(x,y,color);
	 }
   getch();
   cleardevice();
   }