sg_size_t storage_get_free_size(smx_storage_t storage);
sg_size_t storage_get_used_size(smx_storage_t name);
xbt_dict_t storage_get_properties(smx_storage_t storage) [[nohandler]];
-xbt_dict_t storage_get_content(smx_storage_t storage) [[nohandler]];
int mc_random(int min, int max);
void set_category(smx_activity_t synchro, const char* category) [[nohandler]];