ftell

#include <stdio.h>

U32 ftell  (
    FILE* stream);    /* file stream */

The function ftell reads the file cursor position. The parameter stream is a file pointer defining the data stream.

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

• file cursor position - on success.
• -1L - on error.

fseek

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

void tst_ftell (void)  {
  U32  fpos;
  char line[80];
  FILE *fin;

  fin = fopen ("Counter.log","r");
  if (fin != NULL)  {
    fgets (&line, sizeof (char), fin);
    fpos = ftell (fin);                             // Get position after read operation
    fclose (fin);
  }
}