Releasing the connection number

After the server has sent back any type-ahead characters, the REXEC connection number can be released. This step is especially important if the client process is going to be establishing more connections. Calling rx_free_conn, as follows, releases all client resources associated with the connection.

int	cnum;		/* connection number */

main()
{
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	(void) rx_free_conn(cnum);
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.
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}