Built-in module select

select This module provides access to the function select available in most versions. It defines the following:
$\begin{excdesc}{error} The exception raised when an error occurs. The accompanyi... ...ing string, as would be printed by the C function \code{perror()}. \end{excdesc}$

$\begin{funcdesc}{select}{iwtd\, owtd\, ewtd\, timeout} This is a straightforward... ...ly returns a \UNIX{} file descriptor, not just a random integer). \end{funcdesc}$
socket stdwin