feof

#include <stdio.h>

int feof  (
    FILE* stream);    /* file stream to check */

The function feof determines whether an end-of-file condition has occurred. The parameter stream is a file pointer specifying a data stream.

The function is included the library RL-FlashFS. The prototype is defined in the file stdio.h.

• 0 - Data stream can be read.
• non-zero value - End-of-file condition occurred.

ferror, ftell, rewind

#include <rtl.h>
#include <stdio.h>

void tst_feof (void)  {
  FILE *fin;
  char ch;

  if (fin = fopen ("Test_feof") != NULL)  {
    // Read all characters from the file
    while (!feof (fin))  {
      ch = fgetc (fin);
    }
    fclose (fin);
  }
}