/*
	Exemplo de fopen
*/



/* Programa para criar uma copia do arquivo AUTOEXEC.BAT */

#include <stdio.h>

int main(void)
{
   FILE *in, *out;

   if ((in = fopen("\\AUTOEXEC.BAT", "rt"))
	   == NULL)
   {
	  fprintf(stderr, "Cannot open input file.\n");
	  return 1;
   }

   if ((out = fopen("AUTOEXEC.BAK", "wt"))
	   == NULL)
   {
	  fprintf(stderr, "Cannot open output file.\n");
	  return 1;
   }

   while (!feof(in))
	  fputc(fgetc(in), out);

   fclose(in);
   fclose(out);
   return 0;
}