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<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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