Файл native.hpp

#include <eosio/action.hpp>
#include <eosio/binary_extension.hpp>
#include <eosio/contract.hpp>
#include <eosio/crypto.hpp>
#include <eosio/fixed_bytes.hpp>
#include <eosio/ignore.hpp>
#include <eosio/print.hpp>
#include <eosio/privileged.hpp>
#include <eosio/producer_schedule.hpp>

См. исходные тексты.

Классы
struct	eosiosystem::permission_level_weight
struct	eosiosystem::key_weight
struct	eosiosystem::wait_weight
struct	eosiosystem::authority
struct	eosiosystem::block_header
struct	eosiosystem::abi_hash
class	eosiosystem::native

Пространства имен
namespace	eosiosystem

Функции
void	eosiosystem::check_auth_change (name contract, name account, const binary_extension< name > &authorized_by)