define MAX_LINE 1024

void DisplayFile(void)
{
  char filename[FILENAME_MAX];
  FILE *infile;

    // Prompt the user for a filename
  puts("Enter the filename to display: ");

    // Get the user's input (unsafe function call!)
  gets(filename);

    // Open the file in binary mode
  infile = fopen(filename, "rb");

    // If successful, read each character, display it
  if (infile)
  {
      // Until we reach the end
    while (!feof(infile))
    {
        // Get a character and display it
      int c = fgetc(infile);
      putc(c, stdout);
    }

      // Close the file (very important!)
    fclose(infile);
  }
  else
    perror(filename);  // couldn't open the file
}

#define MAX_LINE 1024

void DisplayTextFile(void)
{
  char filename[FILENAME_MAX];
  FILE *infile;

    // Prompt the user for a filename
  puts("Enter the filename to display: ");

    // Get the user's input (unsafe function call!)
  gets(filename);

    // Open the file for read in text/translate mode
  infile = fopen(filename, "r");

    // If successful, read each line, display it
  if (infile)
  {
    char buffer[MAX_LINE];

      // Until we reach the end
    while (!feof(infile))
    {
        // Get a line and display it 
        //(safe function call)
      if (fgets(buffer, MAX_LINE, infile))
        fputs(buffer, stdout);
    }

      // Close the file (very important!)
    fclose(infile);
  }
  else
    perror(filename);  // couldn't open the file
}