*
* io_close closes the file descriptor underlying the io_conn; this version does
* not. Presumably you have used io_conn_fd() on it beforehand and will take
* care of the fd yourself.
*
*
* io_close closes the file descriptor underlying the io_conn; this version does
* not. Presumably you have used io_conn_fd() on it beforehand and will take
* care of the fd yourself.
*