tcp-environ(5)</A></STRONG>, <STRONG><A HREF="../cat8/inetd.0.html">inetd(8)</A></STRONG>tcp-environ(5),</STRONG> and runs <EM>program</EM> with the given arguments. Usually <STRONG>tcp-env</STRONG> is run from <STRONG>inetd</STRONG>. It might instead be run from another server that already sets up the right environment variables; if <STRONG>PROTO</STRONG> is set to <STRONG>TCP</STRONG> when <STRONG>tcp-env</STRONG> is invoked, <STRONG>tcp-env</STRONG> assumes that all the other variables are set up properly, and it does not check whether the input is a TCP connection.