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<div class="para">
<h2>FIL</h2>
<p>The FIL structure holds state of a file and it is allocated by an application program. There is no member that can be changed by the application program.</p>

<h4>FatFs</h4>
<pre>
typedef struct _FIL {
    DWORD   fptr;           // File R/W pointer
    DWORD   fsize;          // File size
    DWORD   org_clust;      // File start cluster
    DWORD   curr_clust;     // Current cluster
    DWORD   curr_sect;      // Current sector
    DWORD   dir_sect;       // Sector# containing the directory entry
    BYTE*   dir_ptr;        // Ponter to the directory entry in the window
    BYTE    flag;           // File status flags
    BYTE    sect_clust;     // Left sectors in current cluster
    BYTE    buffer[512];    // File R/W buffer
} FIL;
</pre>

<h4>Tiny-FatFs</h4>
<pre>
typedef struct _FIL {
    DWORD   fptr;           // File R/W pointer
    DWORD   fsize;          // File size
    WORD    org_clust;      // File start cluster
    WORD    curr_clust;     // Current cluster
    DWORD   curr_sect;      // Current sector
    DWORD   dir_sect;       // Sector# containing the directory entry
    BYTE*   dir_ptr;        // Ponter to the directory entry in the window
    BYTE    flag;           // File status flags
    BYTE    sect_clust;     // Left sectors in current cluster
} FIL;
</pre>
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