fclose Function

The fclose function is used to close an open FILE stream. If the stream was being used for output, any buffered data is written first.

Stream

Pointer to an open FILE structure

0

The file is closed successfully.

!=0

The file is not closed.  An error occurred.

#include <stdio.h>

int main () {
  /* Local Declarations                      */
  FILE * Input;
  char C;
  char FileName[20];

  /* Initialization                          */
  printf ("File name?  ");
  scanf ("%s", FileName);
  Input = fopen (FileName, "r");

  /* Algorithm                               */
  fread (&C, 1, 1, Input);
  while (!feof(Input)) {
    fwrite (&C, 1, 1, stdout);
    fread (&C, 1, 1, Input);
  }

  /* Finalization                            */
  fclose (Input);

  /* Report to system                        */
  return 0;
}