| PHYSFS_Allocator | PhysicsFS allocation function pointers |
| PHYSFS_ArchiveInfo | Information on various PhysicsFS-supported archives |
| PHYSFS_File | A PhysicsFS file handle |
| PHYSFS_Io | An abstract i/o interface |
| PHYSFS_Stat | Meta data for a file or directory |
| PHYSFS_Version | Information the version of PhysicsFS in use |
1.6.3