pedef</span> <span class="k">struct</span> {
    BYTE    fs_type;      <span class="c">/* File system type (0, FS_FAT12, FS_FAT16, FS_FAT32 or FS_EXFAT) */</span>
    BYTE    drv;          <span class="c">/* Physical drive number */</span>
    BYTE    n_fats;       <span class="c">/* Number of FAT copies (1,2) */</span>
    BYTE    wflag;        <span class="c">/* win[] flag (b0:win[] is dirty) */</span>
    BYTE    fsi_flag;     <span class="c">/* FSINFO flags (b7:Disabled, b0:Dirty) */</span>
    WO