FatFs - f_tell

## f_tell

The f_tell function gets the current read/write pointer of a file.

    FSIZE_t f_tell (
      FIL* fp   /* [IN] File object */
    );

#### Parameters

fp
  Pointer to the open file object structure.

#### Return Values

Returns current read/write pointer of the file.

#### Description

In this revision, the `f_tell` function is implemented as a macro. It does not have any validation and mutual exclusion.

    #define f_tell(fp) ((fp)->fptr)

#### QuickInfo

Always available.

#### See Also

`f_open, f_lseek, FIL`

Return