+XBT_PUBLIC(sg_size_t) simcall_file_get_size(smx_file_t fd);
+XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
+XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
+XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_size_t offset, int origin);
+/***************************** Storage **********************************/
+XBT_PUBLIC(sg_size_t) simcall_storage_get_free_size (const char* name);
+XBT_PUBLIC(sg_size_t) simcall_storage_get_used_size (const char* name);
+XBT_PUBLIC(xbt_dict_t) simcall_storage_get_properties(smx_storage_t storage);
+XBT_PUBLIC(void*) SIMIX_storage_get_data(smx_storage_t storage);
+XBT_PUBLIC(void) SIMIX_storage_set_data(smx_storage_t storage, void *data);
+XBT_PUBLIC(xbt_dict_t) SIMIX_storage_get_content(smx_storage_t storage);
+XBT_PUBLIC(xbt_dict_t) simcall_storage_get_content(smx_storage_t storage);
+XBT_PUBLIC(const char*) SIMIX_storage_get_name(smx_host_t host);
+XBT_PUBLIC(sg_size_t) SIMIX_storage_get_size(smx_storage_t storage);
+XBT_PUBLIC(void) simcall_storage_file_rename(smx_storage_t storage, const char* src, const char* dest);