#include <stdio.h>

int main()
{
FILE *infile, *outfile, *printer;
char infilename[25], outfilename[25];
int  c;

   printf("Enter input file name ----> ");
   scanf("%s", infilename);
   infile = fopen(infilename, "r");

   printf("Enter output file name ---> ");
   scanf("%s", outfilename);
   outfile = fopen(outfilename, "w");

   printer = fopen("PRN", "w");

   do 
   {
      c = getc(infile);
      if (c != EOF) 
      {
         putchar(c);
         putc(c, outfile);
         putc(c, printer);
      }
   } while (c != EOF);

   fclose(printer);
   fclose(infile);
   fclose(outfile);

   return 0;
}



/* Result of execution

(This program writes to the printer, a file, and the monitor.)

*/