（boost :: asio :: ip :: tcp :: socket）:: async_read_some和（...）:: async_receive有什么区别？

Question

boost::asio::ip::tcp::socket::async_read_some和boost::asio::ip::tcp::socket::async_receive之间的区别是什么？

boost::asio::ip::tcp::socket::async_write_some和boost::asio::ip::tcp::socket::send之间的区别是什么？

async_read_some：http://www.boost.org/doc/libs/1_55_0/doc/html/boost_asio/reference/basic_stream_socket/async_read_some.html

async_receive：http://www.boost.org/doc/libs/1_55_0/doc/html/boost_asio/reference/basic_stream_socket/async_receive.html

async_write_some：http://www.boost.org/doc/libs/1_55_0/doc/html/boost_asio/reference/basic_stream_socket/async_write_some.html

async_send：http://www.boost.org/doc/libs/1_55_0/doc/html/boost_asio/reference/basic_stream_socket/async_send.html