+EMUFS_FREE emufs_fsc_get_total_fs(EMUFS *);
+EMUFS_FREE emufs_fsc_get_media_fs(EMUFS *);
+int emufs_fsc_get_max_min_fs(EMUFS *, EMUFS_FREE *, EMUFS_FREE *);
+int emufs_fsc_truncate(EMUFS*, EMUFS_BLOCK_ID);
+int emufs_fsc_get_cant_bloques_vacios(EMUFS *emu);