+typedef void (*sg_platf_storage_cb_t)(sg_platf_storage_cbarg_t);
+typedef void (*sg_platf_storage_type_cb_t)(sg_platf_storage_type_cbarg_t);
+typedef void (*sg_platf_mount_cb_t)(sg_platf_mount_cbarg_t);
+typedef void (*sg_platf_mstorage_cb_t)(sg_platf_mstorage_cbarg_t);
+