3 tcp-env \- set up TCP-related environment variables
19 must be a TCP connection.
21 finds out information about that connection,
22 puts the information into several environment variables
27 with the given arguments.
33 It might instead be run from another server
34 that already sets up the right environment variables;
43 assumes that all the other variables are set up properly,
44 and it does not check whether the input is a TCP connection.
54 Do not attempt to obtain
61 connection attempt after