Sockets - how to nominate local port number?

[Peter Hansen]

djmitchell wrote:
> 
> For a particular sockets application I'm working on, I need to be able to
> specify both the port number on the remote machine, *and* the port number
> on the local machine.  In other words, the function/method call to
> establish the connection needs to look something like this:
>         ...
>         socket = connect(remote_host, remote_port, local_port)
>         ...
> 
> Any suggestions how to go about this?  For "normal" apps, you don't usually
> care about the local port number, but the security requirements of this
> particular application mean that I have to specify it.

I believe bind()ing a socket to a port works fine even for a client
socket.  Just don't execute listen()...