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        u8  Cache[BYTES_PER_SECTOR];    // Cache for read and write operation from or to the sd-card.
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        u8  Cache[BYTES_PER_SECTOR];    // Cache for read and write operation from or to the sd-card.
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        u32 SectorInCache;                              // The last sector read, which is still in the sector cache.
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        u32 SectorInCache;                              // The last sector read, which is still in the sector cache.
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        u8      State;                                          // State of the filepointer (used/unused/...)
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        u8      State;                                          // State of the filepointer (used/unused/...)
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} File_t;
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} File_t;
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#define ATTR_NONE               0x00    // normal file
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#define ATTR_READONLY           0x01    // file is readonly
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#define ATTR_HIDDEN                     0x02    // file is hidden
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#define ATTR_SYSTEM                     0x04    // file is a system file
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#define ATTR_VOLUMELABEL        0x08    // entry is a volume label
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#define ATTR_LONG_FILENAME      0x0F    // this is a long filename entry
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#define ATTR_SUBDIRECTORY       0x10    // entry is a directory name
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#define ATTR_ARCHIVE            0x20    // file is new or modified
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#define ATTR_ANY_FILE           0x3F    // all files
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//________________________________________________________________________________________________________________________________________
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//
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//      Structure of an item used by functions findfirst and findnext
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//________________________________________________________________________________________________________________________________________
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typedef struct
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{
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        File_t  fp;                                             // filepointer used to get access to the filesystemstructure
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        s8              searchstring[11];               // findfirst and findnext will only return elements within the specified directory matching this searchstring.
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        s8              name[13];                               // the name of the element found within the specified directory
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        u8              active;                                 // if the attribute active is set the name and the attributes of an element found within DirectoryEntryExist will be entered into the structure
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        u8              attribfilter;                  
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        u8              attribmask;
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} __attribute__((packed)) Find_t;
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//________________________________________________________________________________________________________________________________________
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//________________________________________________________________________________________________________________________________________
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//
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//
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u32     fread_(void *buffer, u32 size, u32 count, File_t * const file);
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u32     fread_(void *buffer, u32 size, u32 count, File_t * const file);
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u32     fwrite_(void *buffer, u32 size, u32 count, File_t * const file);
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u32     fwrite_(void *buffer, u32 size, u32 count, File_t * const file);
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s16             fputs_(s8 * const string, File_t * const file);
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s16             fputs_(s8 * const string, File_t * const file);
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s8 *    fgets_(s8 * const string, s16 length, File_t * const file);
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s8 *    fgets_(s8 * const string, s16 length, File_t * const file);
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u8              feof_(File_t * const file);
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u8              feof_(File_t * const file);
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u8              findfirst_(const s8* name, u8 attribmask, Find_t *);
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u8              findnext_(Find_t *);
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u8              chdir_(s8 *folder);
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s8              *GetPath(void);
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