| FAT_DIR_int | This structure is used to keep track of a directory structure used by FAT_readdir(), FAT_opendir(), etc |
| FAT_DIRENT | This structure describes a directory entry from FAT_readdir() |
| tsCHS | |
| tsDevInfo | This structure provides the FAT drivers with the necessary information to interface to the physical media |
| tsDirEntry | |
| tsFAT32ExtBlock | |
| tsFATBootSect | |
| tsFATDevData | This stucture contains the file system structure data used by the FAT file system core associated with a specific physical device driver |
| tsFATExtBIOSBlock | |
| tsFATFileData | This structure is used by the FAT file system drivers for each opened file descriptor |
| tsMBR | |
| tsMBR_Partition_Ent |