| Fs_cluster | Struture to store cluster information |
| Fs_clusterlist_cache | Struture to store the cluster list cache |
| Fs_index | |
| Fs_management | Struture to save the variables frequently used by file system mounted |
| Fs_management_entry | Struture to save the frequently variables of file system mounted |
| Fs_management_fast | Struture to save the variables very frequently used by file system mounted |
| Fs_rootdir | Union to define a root directory |
| Fs_sector_cache | Struture to store the information about sector cache (=last sector read or write on disk) |
| Fs_segment | Struture to define a segment |
| s_scsi_sense | |
| S_usb_configuration_descriptor | Usb Configuration Descriptor |
| S_usb_device_descriptor | Usb Device Descriptor |
| S_usb_endpoint_descriptor | Usb Endpoint Descriptor |
| S_usb_interface_descriptor | Usb Interface Descriptor |
| S_usb_language_id | Usb Language Descriptor |
| S_usb_manufacturer_string_descriptor | |
| S_usb_product_string_descriptor | |
| S_usb_serial_number | |
| S_usb_user_configuration_descriptor | |
| S_UsbRequest | Usb Request |
| sbc_st_std_inquiry_data | |
| Union16 | |
| Union32 |
1.5.3