FILE

The type FILE creates an object for manipulating data streams. The type is defined in the file stdio.h. The type structure is not disclosed.

Example of usage:

#include <stdio.h>

void tst_file (char fmode)  {
  FILE *pFile;

  pFile = fopen ("test_file.txt", fmode);      /* open a file for ...              */
  if (pFile != NULL) {                         /* error when trying to open file   */
    fclose (pFile);                            /* close the output file            */
    printf ("File closed.\n");
  else  {
    printf ("Cannot open file!\n");
  }
}