+int emufs_fsc_agregar(EMUFS *, EMUFS_BLOCK_ID, EMUFS_FREE);
+
+int emufs_fsc_actualizar(EMUFS *, EMUFS_BLOCK_ID, EMUFS_FREE);
+
+EMUFS_BLOCK_ID emufs_fsc_buscar_lugar(EMUFS *, EMUFS_FREE, EMUFS_FREE *);
+
+EMUFS_FREE emufs_fsc_get_fs(EMUFS *, EMUFS_BLOCK_ID);