typedef const s4u_Link* const_sg_link_t;
typedef s4u_Disk* sg_disk_t;
typedef const s4u_Disk* const_sg_disk_t;
+/** Pointer to a SimGrid file object */
typedef s4u_File* sg_file_t;
+/** Constant pointer to a SimGrid file object */
typedef const s4u_File* const_sg_file_t;
typedef s4u_VM* sg_vm_t;
typedef const s4u_VM* const_sg_vm_t;